When you want to do a "Windows Update", error code 80070308 will be shown after installing updates. Rebooting PC, stop Windows Update services and delete everything in C:\Windows\SoftwareDistribution does not resolve this problem
Solution
1) Run "regedit.exe" through Run command (Win + R)2) Locate "HKLM\COMPONENTS"
3) Delete DWORD "PendingRequired"
Credit: patrickhoban
3) Delete DWORD "PendingRequired"
4) Close Regedit after pressing "YES"
5) Run "Windows Update" again.
Credit: patrickhoban