- The oo shushup windows 81 error comes whenever the system is in an unbootable state.
- Users reported this error after installing system updates and while a Windows update was being performed.
- To fix this error, you should make sure that the system clock is synchronized.
Use SFC and DISM commands
- SFC scan checks system files and repairs corrupted ones.
- DISM scan checks and fixes corrupted and damaged system files.
- Click Start, type cmd, and select Run as administrator.
- Click Yes in the UAC prompt.
- Type the following command and hit Enter: DISM /Online /Cleanup-Image /RestoreHealth
Run Windows Memory Diagnostic
- Go to Start > search for memtest > double click on the memtest result.
- Click the Start button.
- Wait for the Memtest window to open.
- Close all the programs running in the background.
Run the System File Checker
- Type cmd in the Windows search bar and open Run as administrator.
- Paste or type the following command and press Enter:
- Wait for the System File Checker to scan for corrupt system files.
- Rebuild the System DLLs
- Type Command prompt in the Windows Search bar, and click on the relevant search result.
- Now, type the following command and press the Return key: DISM /Online /Cleanup-Image /RestoreHealth
- Wait for the process to finish, and check if the error is gone.
- Type “cmd” in the Windows search box -> right-click on Command prompt -> choose Run as administrator
- In the command prompt window -> type the following command â€“ ” chkdsk /f /r â€“ “
- After chkdsk has completed its work -> restart your computer ->
Perform a clean boot
- Press Windows Key + R to open Run.
- Type msconfig, and click OK.
- Navigate to the Services tab, then select Hide all Microsoft services.
- Uncheck Hide all Microsoft services, and click OK to save the changes.
- Navigate to the Startup tab, then uncheck Load startup items.
- Go to the Services tab, and check Hide all Microsoft services.
- Click on the Apply and OK buttons to save the changes.
- Restart the computer.
Create a new user profile
- First, click the Start button and type Run in the search field.
- Next, double-click Run to open Run’s window.
- Enter the netplwiz command and press Enter.
- Then select Create a new user profile and click Next.