Silverlight 1622 “The installation log file could not be written. Verify that the Temp folder exists and that you can write to it.”

Silverlight 1622 error Silverlight installation is rather straightforward but at times one may receive a Silverlight 1622 error indicating: The installation log file could not be written. Verify that the Temp folder exists and that you can write to it. The first thing I recommend checking is the path to %TEMP%. Then, assuming Windows 7 […]