A crash occurs when activating a license in Ivanti Patch for Windows Servers prompting the error - An unexpected error has occurred, Patch for Windows Servers and Patch for SCCM Activation must close to recover.
The following error is found in the ST.Activation.managed.user.log:
System.DllNotFoundException: Unable to load DLL 'STLib.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)
The required version of Microsoft C++ is missing, corrupt, or did not install correctly.
Download and install and/or repair the required version of Microsoft C++ from here.
Ivanti Patch for Windows Server 9.3+
Ivanti Patch for SCCM 2.3+