—often called a "DiagBox Cleaner" or "Uninstall Tool"—frequently used when a version like v7.xx or v9.xx fails to install or needs a fresh start.

: DBCleaner v1.01a or v1.0a1 are the most widely referenced versions in automotive forums.

If any of the above sounds familiar, a simple uninstall via Control Panel won’t help. You need the DiagBox Cleaner.

After completing these steps, the effect is identical to running the automated cleaner.