Error Upgrading Database. "Cannot execute a program. The command being executed was "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" (4223422)

An error is received directly after clicking the "Upgrade" button during the database portion of a Desktop Authority upgrade.

"ERROR UnhandledException
System.Runtime.InteropServices.ExternalException: Cannot execute a program. The command being executed was "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\USERNAME\AppData\Local\Temp\3ikudlm8.cmdline". 

In the DAInstaller.log there is an additional error:
Executing process... Filename: 'C:\Users\sladmin\AppData\Local\Temp\VCREDI~3.EXE'. Arguments: '/Q /C /T:"C:\Users\sladmin\AppData\Local\Temp\"'.
2015/08/27 13:45:39 ERROR Executing process 'VCREDI~3.EXE' failed
System.ComponentModel.Win32Exception: The system cannot find the file specified