A bug has been fixed in AVG and Avast security applications that set registry keys that blocked applications from running in Windows 10.

This past week, Windows 10 users began to complain [12345] that they were unable to launch Microsoft Office and other applications in Windows 10.

When attempting to do so, they were shown a message similar to “Windows cannot find ‘C:Program Files (x86)Microsoft OfficerootOffice16WORD.EXE’. Make sure you typed the name correctly, and then try again,” as shown below.

Word blocked

While initially thought to be either an Avast or Windows