Please follow the 3 steps below:
- Click the "Scan Now" Button. and wait for the scan to finish.
- Click the "Fix" button to fix all identified Issues.
Troubleshoot 999 error Error Manually.
Fix 999 error by updating Windows 7 for the latest version. Click Start button, and type windows update from the searching box. Then click windows update as the picture below.
Please make sure that if there is any updates need to be updated urgently. If windows shows that you have important updates available. Please update it with time. Windows update is an important procedure to repair 999 error problem.
The First Step: Download 999 error from SmartPCFixer.
Step Two: Extract the downloaded file for the program folder that this 999 error is corrupted. Restart your PC and see if it works.
Step Three: I recommend you run a SFC if the 999 error not found error still persists. Usually, System File Checker may find out the missing 999 error system files to suit your needs, and troubleshoot it easily.
Recommended: SmartPCFixer was designed to provide the user's computer with better optimization, that helps you manage startup items, desktop, browser objects, Internet, system service, Windows optimization, file extensions and the like. With one of these sophisticated utilities your computer is tuned as much as run with the optimal state.