If you are on a newer build of Windows 10 or 11, the 7.5.7 installer (which is older) might need a nudge. Right-click the .exe file > > Compatibility .
If you previously tried installing the driver, remnants may block the new attempt.
Windows Service or User Account Control (UAC) is blocking the driver from installing. If you are on a newer build of Windows 10 or 11, the 7
Extract the installer contents using 7-Zip (right-click the .exe → 7-Zip → Extract to folder). Look for a .inf file (e.g., sentinel.inf ). Right-click it and select . This bypasses the installer GUI but achieves the same result.
Version 7.5.7 is an older driver package. Modern Windows operating systems (Windows 10 and 11) have strict security policies regarding kernel-level drivers. The failure typically occurs because: Windows Service or User Account Control (UAC) is
Important: Check the box that says "Delete the driver software for this device." Restart your PC. Step 3: Clear Registry Keys (Advanced)
(the "SSDCleanup" utility) to wipe the slate clean before trying 7.5.7 again. Unplug the Dongle: Right-click it and select
If you cannot find the official removal tool, do it manually: