The software refuses to uninstall through the Control Panel. You encounter "Missing File" errors during an update. The program service fails to start despite a reinstall.
Safe Mode: Restart Windows in Safe Mode with Networking and run the tool there. mbam cleaner
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | Malwarebytes won't install, giving a "setup already running" error | Leftover drivers or mutexes from a previous install | Run Mbam-Cleaner | | The Windows uninstaller fails or hangs at 99% | Corrupt MSI cache or missing uninstall strings | Run Mbam-Cleaner | | After uninstalling, you cannot browse the internet | Malwarebytes Web Protection filter remains active | Run Mbam-Cleaner | | Malwarebytes shows "Unable to connect to service" permanently | Service is corrupted or partially removed | Run Mbam-Cleaner | | You need a truly fresh reinstall to fix deep bugs | Old configuration files persist | Run Mbam-Cleaner | The software refuses to uninstall through the Control Panel
If the MBAM cleaner fails to run or stalls, try these steps: Safe Mode: Restart Windows in Safe Mode with