Go to Apps & Features , find DAEMON Tools, and uninstall it. Ensure you select the option to Clear all app data (including preferences and activation info).
However, if you are a casual user who only needs to mount ISO files, save yourself the headache. Use Windows’ native mounting tool or switch to WinCDEmu. daemon tools sign check error
: This is the most common fix. Antiviruses or firewalls (like ZoneAlarm or Windows Security) often block the background validation process, causing the program to hang or show the error repeatedly. Add Exclusions Go to Apps & Features , find DAEMON Tools, and uninstall it
This sounds too simple, but it works surprisingly often. The dtsoftbus01.sys driver sometimes gets stuck in a "pending deletion" state after an update or crash. A full restart (not Shut Down, but Restart ) forces Windows to flush the driver cache. Use Windows’ native mounting tool or switch to WinCDEmu