Today Microsoft released a patch addressing a troubling issue where the Windows Update logging component reported a failure to start, often logged as "MicrosoftWindowsWindowsUpdateRuximLog failed to start." This post explains what happened, who was affected, how Microsoft fixed it, and what you should do now.
Option 2: Run DISM Health Restore If SFC doesn't work, use the DISM command to repair the Windows image. Open Command Prompt as Administrator
Advanced Solutions
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
sfc /scannow to check and fix corrupted system files.C:\Windows\System32 folder (or specifically wuauclt.exe, wuaueng.dll, and any file containing ruxim) to your antivirus whitelist.