| Cause | Explanation | |-------|-------------| | | The internal database ( SoftwareDistribution ) or CatRoot2 folder gets corrupted. | | Conflicting third-party antivirus | Old AVG, Avast, McAfee, or even Malwarebytes can block or inject into wuauclt.exe , causing access violations. | | Missing system files | SFC /scannow finds corrupt system files tied to the update client. | | Outdated or broken drivers | A driver conflict (especially network or storage) crashes the update process. | | Registry corruption | Invalid entries under HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate can crash the client. | | Memory or disk issues | Failing RAM or bad sectors on the system drive cause wuauclt.exe to terminate unexpectedly. | | Windows Update service misconfiguration | The service is set to disabled, or dependencies (e.g., BITS ) are stuck. |
folder or other directories. Malicious code may crash while trying to bypass security, or legitimate antivirus software may terminate it. Resource Exhaustion why does wuaucltexe crash best new
Old guides said to check WindowsUpdate.log manually. Now run: | Cause | Explanation | |-------|-------------| | |
Not because of a single bug in Microsoft's code. But because of a toxic cascade : | | Outdated or broken drivers | A
Navigate to C:\Windows\SoftwareDistribution and delete all contents. Restart the Windows Update service. Go to Settings > Update & Security > Troubleshoot .