Error: "Desktop has stopped working" when opening a company in Sage 300

Description 

When opening a company the error:

“Desktop has stopped working” occurs.

Cause     

Multiple versions of Sage 300 installed.

Resolution 

Check Windows PATH variable, and remove any \RUNTIME path that are from previous installations.

Only one \RUNTIME path should be present.

Run the RegAcc.exe program from the RUNTIME folder using the “Run as Administrator” option.

Support

If necessary, seek the assistance of Acute Data Systems to help provide assistance with this process.