I upgraded from 7.5.1 to 7.7.0 and my tray client will not connect and the client software will not connect to the service.
The services is running.
Here is the log from the tray client issue:
7/1/2015 7:22:48 AM Tray Client is starting up
7/1/2015 7:22:48 AM Loading exit codes
7/1/2015 7:22:49 AM Loaded language files.
7/1/2015 7:22:49 AM InitServiceController
7/1/2015 7:22:49 AM Running as user name: gradmin, user domain name: GRPRESS, interactive: True
7/1/2015 7:22:49 AM Connecting to VisualCron Server
7/1/2015 7:22:50 AM Could not connect to server. Error: There was no endpoint listening at net.pipe://localhost/VisualCron/ that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
7/1/2015 7:23:20 AM Connecting to VisualCron Server
7/1/2015 7:23:20 AM Could not connect to server. Error: There was no endpoint listening at net.pipe://localhost/VisualCron/ that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.

Here is the startup log:
7/1/2015 7:22:24 AM Debug Assembly loaded: System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:24 AM Debug Starting up
7/1/2015 7:22:24 AM Debug Settings file not found
7/1/2015 7:22:24 AM Debug Preparing SqlCe files (x64) from base folder: C:\Program Files (x86)\VisualCron\x64\sqlce to: C:\Program Files (x86)\VisualCron\
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: Microsoft.VC90.CRT.manifest, strTargetFile: C:
\Program Files (x86)\VisualCron\Microsoft.VC90.CRT.manifest
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: msvcr90.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\msvcr90.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlceca40.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\sqlceca40.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlcecompact40.dll, strTargetFile: C:\Program
Files (x86)\VisualCron\sqlcecompact40.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlceme40.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\sqlceme40.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlceoledb40.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\sqlceoledb40.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlceqp40.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\sqlceqp40.dll
7/1/2015 7:22:24 AM Debug Preparing SqlCe files->targetFolder: C:\Program Files (x86)\VisualCron\, fileName: sqlcese40.dll, strTargetFile: C:\Program Files
(x86)\VisualCron\sqlcese40.dll
7/1/2015 7:22:24 AM Debug Assembly loaded: System.Data.SqlServerCe, Version=4.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91
7/1/2015 7:22:24 AM Debug Assembly loaded: System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:24 AM Debug Assembly loaded: System.Transactions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:24 AM Debug Assembly loaded: System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
7/1/2015 7:22:24 AM Debug Assembly loaded: System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
7/1/2015 7:22:24 AM Debug Assembly loaded: SecureBlackbox, Version=12.0.269.0, Culture=neutral, PublicKeyToken=2da58450a50132f5
7/1/2015 7:22:24 AM Debug Assembly loaded: SecureBlackbox.HTTP, Version=12.0.269.0, Culture=neutral, PublicKeyToken=2da58450a50132f5
7/1/2015 7:22:25 AM Debug Assembly loaded: SevenZipSharp, Version=0.64.5409.24501, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug Assembly loaded: WindowsBase, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
7/1/2015 7:22:25 AM Debug Assembly loaded: InteractiveLogonComponent, Version=1.0.0.14908, Culture=neutral, PublicKeyToken=55f7a52402de1c04
7/1/2015 7:22:25 AM Info Folders->Settings->C:\Program Files (x86)\VisualCron\settings
7/1/2015 7:22:25 AM Info Folders->Server logs->C:\Program Files (x86)\VisualCron\log
7/1/2015 7:22:25 AM Info Files->Database->C:\ProgramData\VisualCron\output\log\VisualCron4.sdf
7/1/2015 7:22:25 AM Debug Prepare XML writer settings
7/1/2015 7:22:25 AM Debug 7Zip library path: C:\Program Files (x86)\VisualCron\7z64.dll
7/1/2015 7:22:25 AM Debug Current user: NT AUTHORITY\SYSTEM
7/1/2015 7:22:25 AM Debug Create directories
7/1/2015 7:22:25 AM Debug Output folder: C:\ProgramData\VisualCron\output
7/1/2015 7:22:25 AM Debug Startup function called
7/1/2015 7:22:25 AM Info Current user: GRPRESS\SYSTEM
7/1/2015 7:22:25 AM Info OS version: WindowsServer2008Foundation (x64)
7/1/2015 7:22:25 AM Info Credential provider->Prepare interaction
7/1/2015 7:22:25 AM Info Is Vista or higher: True
7/1/2015 7:22:25 AM Debug Assembly loaded: System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
7/1/2015 7:22:25 AM Info Credential provider->Credential provider was already installed (C:\Program Files (x86)\VisualCron\InteractiveLogonCPx64.dll)
7/1/2015 7:22:25 AM Debug Credential provider->Credential provider registry test failed: ControlAltDeleteDisabled is false. Need to be set to true.
7/1/2015 7:22:25 AM Debug Credential provider->Credential provider connection test failed: Pipe busy (2)
7/1/2015 7:22:25 AM Info UAC enabled: False
7/1/2015 7:22:25 AM Info VisualCron - Server: 7.7.0 - build: 14923(2015-06-24 03:17:28) - protocol: 7.6.5
7/1/2015 7:22:25 AM Debug Startup path: C:\Program Files (x86)\VisualCron
7/1/2015 7:22:25 AM Debug Loading license file
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug License file was successfully loaded
7/1/2015 7:22:25 AM Debug Saving license file
7/1/2015 7:22:25 AM Debug License file was saved successfully
7/1/2015 7:22:25 AM Debug Successful verification of Activation code
7/1/2015 7:22:25 AM Info License status: Activated
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug Loading language
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug API->Calling InitMonths
7/1/2015 7:22:25 AM Debug API->Calling InitDays
7/1/2015 7:22:25 AM Debug API->Calling InitMonths
7/1/2015 7:22:25 AM Debug API->Calling InitDays
7/1/2015 7:22:25 AM Debug Exit code collections file did not exist.
7/1/2015 7:22:25 AM Debug Assembly loaded: System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug DefaultPersistentConnectionLimit: 2
7/1/2015 7:22:25 AM Debug Assembly loaded: System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:25 AM Debug Assembly loaded: System.Runtime.Serialization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:25 AM Debug Assembly loaded: SMDiagnostics, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:25 AM Debug Assembly loaded: System.ServiceModel.Internals, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
7/1/2015 7:22:25 AM Debug Assembly loaded: System.ServiceModel.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
7/1/2015 7:22:25 AM Debug Assembly loaded: System.IdentityModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
7/1/2015 7:22:25 AM Debug Variables file did not exist.
7/1/2015 7:22:25 AM Info No Certificates loaded, file not found
7/1/2015 7:22:25 AM Debug FTP connections file did not exist.
7/1/2015 7:22:25 AM Debug Groups file did not exist.
7/1/2015 7:22:25 AM Debug Saving groups
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug Users file did not exist.
7/1/2015 7:22:25 AM Debug Saving users
7/1/2015 7:22:25 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:25 AM Debug Saving users
7/1/2015 7:22:25 AM Info No Conditions loaded, file not found
7/1/2015 7:22:25 AM Debug PGP Key Rings file did not exist.
7/1/2015 7:22:25 AM Debug Time exceptions file did not exist.
7/1/2015 7:22:25 AM Debug Network credentials file did not exist.
7/1/2015 7:22:25 AM Debug TaskNotifications file did not exist.
7/1/2015 7:22:25 AM Debug Network Drives file did not exist.
7/1/2015 7:22:25 AM Debug Exiting NetworkDrivesAPI.Load
7/1/2015 7:22:25 AM Debug Loading jobs
7/1/2015 7:22:26 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:30 AM Debug Assembly loaded: System.DirectoryServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
7/1/2015 7:22:33 AM Info Loaded: 2 job(s)
7/1/2015 7:22:33 AM Info Deleting all output files in: C:\ProgramData\VisualCron\output
7/1/2015 7:22:33 AM Info Deleting all output files, found 0 file(s).
7/1/2015 7:22:33 AM Info Deleting all output files complete
7/1/2015 7:22:33 AM Debug Expiring old triggers
7/1/2015 7:22:33 AM Info Searching for jobs that should have been executed
7/1/2015 7:22:33 AM Info Running missed jobs between 7/1/2015 7:22:22 AM and 7/1/2015 7:22:33 AM
7/1/2015 7:22:33 AM Debug Recalculating all jobs
7/1/2015 7:22:33 AM Info Adding backup job of Settings
7/1/2015 7:22:33 AM Info Job added : Backup settings
7/1/2015 7:22:33 AM Info Saving Jobs (3)
7/1/2015 7:22:34 AM Debug Saving settings
7/1/2015 7:22:34 AM Debug Server time: 7/1/2015 7:22:34 AM
7/1/2015 7:22:34 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:34 AM Info Adding delete Job of logs
7/1/2015 7:22:34 AM Info Job added : Delete old log files
7/1/2015 7:22:34 AM Info Saving Jobs (4)
7/1/2015 7:22:34 AM Debug Saving settings
7/1/2015 7:22:34 AM Debug Server time: 7/1/2015 7:22:34 AM
7/1/2015 7:22:34 AM Debug Starting main threads
7/1/2015 7:22:34 AM Debug InternalWorkerThreadClass was started
7/1/2015 7:22:34 AM Debug Flushing memory
7/1/2015 7:22:34 AM Debug Client.InitializeMessageXmlSerializer() - before
7/1/2015 7:22:34 AM Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
7/1/2015 7:22:49 AM Debug Client.InitializeMessageXmlSerializer() - after
7/1/2015 7:22:49 AM Debug Assembly loaded: CommServer, Version=1.0.5653.14909, Culture=neutral, PublicKeyToken=55f7a52402de1c04
7/1/2015 7:22:49 AM Debug Assembly loaded: CommClientCore, Version=1.0.5653.14908, Culture=neutral, PublicKeyToken=55f7a52402de1c04
7/1/2015 7:22:49 AM Debug Starting CommServer.
7/1/2015 7:22:49 AM Debug ComService (WCFService) registered in: net.tcp://0.0.0.0:16444/
7/1/2015 7:22:52 AM Debug ComService stopped.
7/1/2015 7:22:52 AM Err CommServer (unhandled) starting failed: 0.0.0.0:16444 - System.ArgumentException: It is likely that certificate 'CN=vc' may not have
a private key that is capable of key exchange or the process may not have access rights for the private key. Please see inner exception for detail. --->
System.Security.Cryptography.CryptographicException: Keyset does not exist

at System.Security.Cryptography.Utils.CreateProvHandle(CspParameters parameters, Boolean randomKeyContainer)
at System.Security.Cryptography.Utils.GetKeyPairHelper(CspAlgorithmType keyType, CspParameters parameters, Boolean randomKeyContainer, Int32 dwKeySize,
SafeProvHandle& safeProvHandle, SafeKeyHandle& safeKeyHandle)
at System.Security.Cryptography.RSACryptoServiceProvider.GetKeyPair()
at System.Security.Cryptography.X509Certificates.X509Certificate2.get_PrivateKey()
at System.ServiceModel.Security.SecurityUtils.GetKeyContainerInfo(X509Certificate2 certificate)
at System.ServiceModel.Security.SecurityUtils.EnsureCertificateCanDoKeyExchange(X509Certificate2 certificate)
--- End of inner exception stack trace ---
at System.ServiceModel.Security.SecurityUtils.EnsureCertificateCanDoKeyExchange(X509Certificate2 certificate)
at System.ServiceModel.Security.ServiceCredentialsSecurityTokenManager.CreateLocalSecurityTokenProvider(RecipientServiceModelSecurityTokenRequirement
recipientRequirement)
at System.ServiceModel.Security.ServiceCredentialsSecurityTokenManager.CreateSecurityTokenProvider(SecurityTokenRequirement requirement)
at System.ServiceModel.Channels.SslStreamSecurityUpgradeProvider.CreateServerProvider(SslStreamSecurityBindingElement bindingElement, BindingContext context)
at System.ServiceModel.Channels.SslStreamSecurityBindingElement.BuildServerStreamUpgradeProvider(BindingContext context)
at System.ServiceModel.Channels.ConnectionOrientedTransportChannelListener..ctor(ConnectionOrientedTransportBindingElement bindingElement, BindingContext context)
at System.ServiceModel.Channels.TcpChannelListener..ctor(TcpTransportBindingElement bindingElement, BindingContext context)
at System.ServiceModel.Channels.TcpTransportBindingElement.BuildChannelListener[TChannel](BindingContext context)
at System.ServiceModel.Channels.Binding.BuildChannelListener[TChannel](Uri listenUriBaseAddress, String listenUriRelativeAddress, ListenUriMode listenUriMode,
BindingParameterCollection parameters)
at System.ServiceModel.Description.DispatcherBuilder.MaybeCreateListener(Boolean actuallyCreate, Type[] supportedChannels, Binding binding,
BindingParameterCollection parameters, Uri listenUriBaseAddress, String listenUriRelativeAddress, ListenUriMode listenUriMode, ServiceThrottle throttle,
IChannelListener& result, Boolean supportContextSession)
at System.ServiceModel.Description.DispatcherBuilder.BuildChannelListener(StuffPerListenUriInfo stuff, ServiceHostBase serviceHost, Uri listenUri, ListenUriMode
listenUriMode, Boolean supportContextSession, IChannelListener& result)
at System.ServiceModel.Description.DispatcherBuilder.InitializeServiceHost(ServiceDescription description, ServiceHostBase serviceHost)
at System.ServiceModel.ServiceHostBase.InitializeRuntime()
at System.ServiceModel.ServiceHostBase.OnOpen(TimeSpan timeout)
at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout)
at CommServer.Classes.WCF.WCFService.Start()
at CommServer.Classes.Server.Initialize(ServerConfiguration configuration)
at OBOKIIHBDBPMCFALPGECCIFHCDJPEDKODDGK.KKEJOPBHMHJAFFFPKGJBEKICKOPHECFAFHBI.EKKOHMNKJBKFLBFIDMJLBEAHLJBODNFACDHI() in C:\sourcefiles\code\VisualCronService
\Connection\clsCommServer.vb:line 53
7/1/2015 7:22:52 AM Debug Startup finished

Please download this: http://neteject.com/down...sualCron/CertCleaner.zip 

Extract and run in a command window. Then restart the VisualCron service again.

---

That did the trick! Thanks

Hey,
we're having the same problem whele upgrading from V7.6.4 to V8.0.1 or higher. (on Windows2012 R2)
Service is running but client does not connect:
The certcleaner from http://neteject.com/down...sualCron/CertCleaner.zip  does not help us.
Can you look into this issue?

logs:

server_startup:
3/06/2016 10:53:02 Debug Assembly loaded: System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
3/06/2016 10:53:02 Debug Starting up
3/06/2016 10:53:02 Debug Loading settings
3/06/2016 10:53:02 Debug Assembly loaded: System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
3/06/2016 10:53:02 Debug Assembly loaded: Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
3/06/2016 10:53:02 Debug Assembly loaded: ZetaLongPaths, Version=1.0.0.4, Culture=neutral, PublicKeyToken=b764f59068f31f38
3/06/2016 10:53:02 Debug Preparing SqlCe files (x64) from base folder: D:\Program Files (x86)\VisualCron\x64\sqlce to: D:\Program Files (x86)\VisualCron\
3/06/2016 10:53:02 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: Microsoft.VC90.CRT.manifest, strTargetFile: D:\Program Files (x86)\VisualCron\Microsoft.VC90.CRT.manifest
3/06/2016 10:53:02 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: msvcr90.dll, strTargetFile: D:\Program Files (x86)\VisualCron\msvcr90.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlceca40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlceca40.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlcecompact40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlcecompact40.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlceme40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlceme40.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlceoledb40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlceoledb40.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlceqp40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlceqp40.dll
3/06/2016 10:53:03 Debug Preparing SqlCe files->targetFolder: D:\Program Files (x86)\VisualCron\, fileName: sqlcese40.dll, strTargetFile: D:\Program Files (x86)\VisualCron\sqlcese40.dll
3/06/2016 10:53:03 Debug Assembly loaded: System.Data.SqlServerCe, Version=4.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91
3/06/2016 10:53:03 Debug Assembly loaded: System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
3/06/2016 10:53:03 Debug Assembly loaded: System.Transactions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
3/06/2016 10:53:03 Debug Assembly loaded: System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
3/06/2016 10:53:03 Debug Assembly loaded: SecureBlackbox.HTTP, Version=14.0.286.0, Culture=neutral, PublicKeyToken=2da58450a50132f5
3/06/2016 10:53:03 Debug Assembly loaded: SecureBlackbox, Version=14.0.286.0, Culture=neutral, PublicKeyToken=2da58450a50132f5
3/06/2016 10:53:03 Debug Assembly loaded: InteractiveLogonComponent, Version=1.0.0.17609, Culture=neutral, PublicKeyToken=55f7a52402de1c04
3/06/2016 10:53:03 Debug Assembly loaded: SevenZipSharp, Version=0.64.5774.23908, Culture=neutral, PublicKeyToken=null
3/06/2016 10:53:03 Debug Assembly loaded: WindowsBase, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
3/06/2016 10:53:03 Info Folders->Settings->D:\Program Files (x86)\VisualCron\settings
3/06/2016 10:53:03 Info Folders->Server logs->D:\Program Files (x86)\VisualCron\log
3/06/2016 10:53:03 Info Files->Database->C:\ProgramData\VisualCron\output\log\VisualCron4.sdf
3/06/2016 10:53:03 Debug Prepare XML writer settings
3/06/2016 10:53:03 Debug 7Zip library path: D:\Program Files (x86)\VisualCron\7z64.dll
3/06/2016 10:53:03 Debug Current user: NT AUTHORITY\SYSTEM
3/06/2016 10:53:03 Debug Create directories

Log_server:
3/06/2016 10:53:03 Debug Local database version: 5
3/06/2016 10:53:03 Debug InternalWorkerThreadClass was created
3/06/2016 10:53:03 Info Folders->Settings->D:\Program Files (x86)\VisualCron\settings
3/06/2016 10:53:03 Info Folders->Server logs->D:\Program Files (x86)\VisualCron\log
3/06/2016 10:53:03 Info Files->Database->C:\ProgramData\VisualCron\output\log\VisualCron4.sdf

Log_trayclient:
3/06/2016 10:32:44 Tray Client is starting up
3/06/2016 10:32:46 Loading exit codes
3/06/2016 10:32:47 Loaded language files.
3/06/2016 10:32:47 InitServiceController
3/06/2016 10:32:47 Running as user name: suzi50024a, user domain name: ZNA, interactive: True
3/06/2016 10:32:47 Connecting to VisualCron Server
3/06/2016 10:32:53 Connected to Server
3/06/2016 10:38:52 Tray Client is starting up
3/06/2016 10:38:52 Loading exit codes
3/06/2016 10:38:52 Loaded language files.
3/06/2016 10:38:52 InitServiceController
3/06/2016 10:38:52 Running as user name: suzi50024a, user domain name: ZNA, interactive: True
3/06/2016 10:38:53 Connecting to VisualCron Server
3/06/2016 10:38:53 Could not connect to server. Error: There was no endpoint listening at net.pipe://localhost/VisualCron/ that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
3/06/2016 10:39:23 Connecting to VisualCron Server
3/06/2016 10:39:23 Could not connect to server. Error: There was no endpoint listening at net.pipe://localhost/VisualCron/ that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.

Can you connect with remote mode in client?
Does a reboot help?

---

Connections from a remote client are not possible.
Reboting the system does not help.
We have several installations.
2 of them have this problem.
Uninstall Version 8.0.1 and reïnstalling 7.6.4 (same locations, without deleting installation files) makes a working 7.6.4