This error is received when attempting to run a published/embedded script within the Excel add-in
This error means that application ran into an issue running the script, this can happen for several reasons
1) Close all instances of Studio
2) Close all instances of Excel
3) Check the task manager to confirm all Excel and Studio instances have been closed
4) Go to Control Panel>Programs and Features
5) Locate Studio and select Change
6) When prompted select to run a Repair of Studio.