Click on the Services tab, and then check the option Hide all Microsoft Services. A new window labeled System Configuration appears.You’ll achieve that by performing a clean boot. Therefore, finding and eliminating the problematic application will fix the problem. In some instances, third-party startup applications may be the cause of the SysMenu.dll error. That’s because it also removes old and unnecessary files that clog up your computer. This will not only help clear out the Smupdate file but also restore your PC to smooth operation and high performance. The tool clears out invalid entries found in the Windows registry. The software is free and highly effective. If you want an automated system to clear out the Smupdate file, you can use Auslogics Registry Cleaner. 2nd Solution: Use Auslogics Registry Cleaner If you still get the SysMenu.dll error, proceed with the next solution. When you find the Smupdate file, simply delete it.Īfter doing that, check if the problem persists.You’ll either find it in the Microsoft > Windows > Maintenance or Microsoft > Windows > Multimedia folder (you can use the search tab to find it faster). In the Tasks directory, locate the Smupdate file.Go to your computer and locate the directory path C: > Windows > System32 > Tasks.Therefore, finding and removing those tasks will fix the problem. Scheduled tasks may be the cause of your SysMenu.dll error.