Because of issues with a Windows "ucrtbase.dll" file, the TIBCO Spotfire installed client application might crash randomly. This issue has been seen with other .NET based applications as well. This has been seen on Windows 10 operating system, especially when the OS is upgraded from an earlier version. The following error will be seen in the event viewer logs:

Faulting application name: Spotfire.Dxp.exe, version: 35.0.12918.5100, time stamp: 0x5bc87ca3
Faulting module name: ucrtbase.dll, version: 10.0.16299.1059, time stamp: 0x27fc3e10
Exception code: 0xc0000409
Fault offset: 0x000000000006b0be
Faulting process id: 0x3c98
Faulting application start time: 0x01d50f388dad4fbc
Faulting application path: C:\Users\test_user\AppData\Local\TIBCO\Spotfire\<version>\Spotfire.Dxp.exe
Faulting module path: C:\WINDOWS\System32\ucrtbase.dll
Report Id: 97437a4-3a67-5454-8e9838-543cf9843736
Faulting package full name:
Faulting package-relative application ID:

• Reinstalling the Visual C++ redistribution.
• Running Spotfire.dxp.exe as an Administrator user.
• Replacing the "ucrtbase.dll" with the same file from a working environment, where this issue is not seen. The location of this ".dll" file is "C:\WINDOWS\System32\ucrtbase.dll".

• https://forums.adobe.com/thread/2429349
• https://answers.microsoft.com/en-us/windows/forum/windows_10-files/ucrtbasedll-is-causing-my-accounting-program-to/5d667444-9071-4714-a5df-3b926cd2201f