LogonUI Error in my PC

Question

I enabled remote assistance in dcomcnfg, but suddenly when I pressed the Windows start button, it loaded for a moment and then there was no response. cmd /c taskkill /f /im explorer.exe && start explorer I tried it, but it still didn't click, so I tried sfc /scannow, but there was no response, so I tried checking disk, but it stayed at 100%. And when I booted it up, LogonUI.exe - Application Error The system has detected a buffer overrun for this program. This causes malicious users to (...) appeared. At first, I thought the firewall had malfunctioned because of dcomcnfg, but after searching, I found out that this is an error that occurs when memory is invaded by another program... I know how important LogonUI is, so of course I thought it would pop up again if I put it in safe mode, but I thought it was my last hope and went into RE with F8 and put it in safe mode... As expected, the ominous premonition was not wrong... I ended up in the recovery command prompt... what should I do?

Answer 1

Suggestions:

*You may try a System Restore.

*In the recovery environment, go to "Troubleshoot" -> "Advanced options" -> "Startup Repair."

*In the recovery command prompt, type the following command and press Enter:

• DISM /Online /Cleanup-Image /RestoreHealth

*If none of the above solutions work, you might need to reinstall Windows.

Answer 2

Hello

It seems there is something wrong with the system files. You could try to run sfc to check the system files health offline.

For example:

Sfc /scannow /offbootdir=C:\ /offwindir=C:\windows

If it would not work，I am afraid yoy may consider to reset the machine or perform a clean installation.