The location of the legit file is:

Rstrui.exe not working or recognized

When you try to run System Restore, you may see the following error message: Or If you face this issue, these are the things you can do to fix the issue: Let us talk about them in detail.

1] Run System File Checker

The most common reason for this problem is corrupt system files. Lucky for you, there is the System File Checker that can replace potentially corrupt system files with good ones. Launch Command Prompt as an administrator from the Start Menu, type the following command, and hit Enter: On job completion, restart your PC and then cow, check if it fixes the issue, if the error is because of corrupt system files, this command will definitely fix it.

2] Run it in Safe Mode

Boot into Safe Mode and see if you create a system restore point or restore to a prior restore point. Many times, non-Microsoft services or Drivers can interfere with the proper functioning of System Restore. Safe Mode allows you to use the System Restore utility without having to deal with an error. To do that, restart your PC and launch Advanced Boot Options by hitting F8 during the booting process. Now, select Safe mode with a Command Prompt, type the following command, and hit Enter. Now, follow the on-screen instruction to restore your Operating System. Alternatively, you could also execute a Clean Boot and see if you are able to get system restore working.

3] Scan your computer for Malware

Rstrui.exe not working error can be because of a virus or malware. To fix that, you can use any free antivirus, however, in this example, we are going to use Windows Defender to fix the issue. To do that, follow these steps:

4] Cloud Reset your system

If the issue is still unresolved, it’s most likely due to some kind of system corruption that cannot be resolved conventionally. In this case, the applicable solution here is that you can try Reset This PC, or Cloud Reset to reset every Windows component. You may also try to Repair Windows using Installation Media as a last resort. Detailed read: System Restore not working, failed or did not complete successfully.