Your antivirus likely triggered the corruption. Even if you reinstall, the AV will corrupt the files again instantly if it's running.
Add the entire Stardock installation folder (typically C:\Program Files (x86)\Stardock\WindowBlinds ) to your antivirus list. 3. Check for Windows Update Compatibility
: In many cases, specifically when error message -7 is present, simply waiting 10 minutes and rebooting your computer resolves the issue by allowing the operating system to update root certificates required to verify the application's digital signatures.
The error message 7 usually stems from a breakdown in trust between WindowBlinds and the Windows Operating System. Key causes include: windowblinds has detected a problem with core files
Wait for the process to complete, then type this command and press Enter: sfc /scannow
The screen shimmered. Milo's desktop returned: the bookstore wallpaper folded back into place, his grandmother's face beamed at him from the corner, and the playlist clicked into the piano part he'd loved. The WindowBlinds icon pulsed once, then settled into its usual square, ordinary and unthreatening.
: Running competing UI tweakers like Open-Shell, StartAllBack, RetroBar, or SecureUxTheme alongside WindowBlinds can create a race condition that corrupts core file execution. Your antivirus likely triggered the corruption
Microsoft frequently updates the visual styles and DWM engine in Windows 10 and Windows 11. When a new Windows cumulative update changes how system graphics are handled, older versions of WindowBlinds can no longer recognize or patch those files safely.
How to Fix "WindowBlinds Has Detected a Problem with Core Files"
If WindowBlinds modified your core Windows system files and those files became corrupted, the built-in Windows deployment tools can repair them. Type cmd into the Windows search bar. Right-click and select Run as Administrator . Key causes include: Wait for the process to
Download the from the Stardock support forums. Run the file and let it wipe all cached settings. Reboot your PC immediately. Reinstall the latest version from your Stardock account. 2. Verify System Files (SFC Scan)
Microsoft’s update had replaced uxtheme.dll with a fresh, signed version—standard security practice. But WindowBlinds, still trying to point to its patched version, couldn’t find what it expected. Hence: problem detected.
