How to fix error error-sem-is-set in Windows 11

Solution Steps

1. 1 Press Windows key + R to open the Run dialog. Type 'cmd' and press Ctrl+Shift+Enter to open Command Prompt as administrator. Click Yes if prompted. This gives you the necessary permissions to run system-level commands.
2. 2 In the Command Prompt, type 'sfc /scannow' and press Enter. This will scan all protected system files and replace corrupted ones. It may take a few minutes. This step helps fix any underlying system file corruption that could be causing the semaphore error.
3. 3 After SFC completes, run 'DISM /Online /Cleanup-Image /RestoreHealth' and press Enter. This repairs the Windows system image, which SFC relies on. It ensures that the system files are fully intact.
4. 4 Restart your computer. Press Windows key + X, select 'Shut down or sign out', then 'Restart'. A reboot clears any stuck semaphores and applies the repairs.
5. 5 If the error persists, try a clean boot. Press Windows key + R, type 'msconfig', and press Enter. In the System Configuration window, go to the 'Services' tab, check 'Hide all Microsoft services', then click 'Disable all'. Go to the 'Startup' tab and click 'Open Task Manager'. Disable all startup items. Restart. This helps identify if a third-party service or startup program is causing the conflict.