Ansyswbu.exe Encountered A Problem. A Diagnostic — File Has Been Written

Tools like McAfee, Norton, or even Windows Defender can lock .exe or .dll files mid-execution. Add these exclusions:

Type %appdata% in the Windows Explorer address bar, locate the folder, and rename your current version folder (e.g., v231 ) to v231.old . Tools like McAfee, Norton, or even Windows Defender can lock