Name IdentifyingNumber Avast Free Antivirus A17E8618-2C4D-4A5F-B8A3-4B7C9E1D2F3A Run silent uninstall using msiexec .
reg delete "HKLM\SOFTWARE\AVAST Software" /f reg delete "HKLM\SYSTEM\CurrentControlSet\Services\asw*" /f Delete program files and program data. uninstall avast command line
echo Done. Reboot recommended. The command line offers powerful, scriptable uninstallation for Avast products, but success depends heavily on disabling Self-Defense first and often booting into Safe Mode . For most users, the official avastclear.exe tool with the /silent flag provides the best balance of safety and effectiveness. The manual driver/registry method should remain an absolute last resort for corrupted installations where even Safe Mode fails. scriptable uninstallation for Avast products