The most common causes are:
You must have Administrator privileges . Log in as an administrator or right-click Command Prompt/PowerShell > "Run as administrator."
Navigate to C:\Windows\SoftwareDistribution and all files inside. Restart the services: net start wuauserv net start bits 4. Registry Adjustment (Advanced)
A: No. Methods 1, 2, 4, 5, 6, and 7 preserve update history. Method 3 (renaming SoftwareDistribution) resets history, but your installed updates remain intact.