Take Windows 10 for instance:
Method 1
Click Start Menu, type in the "troubleshooting" , click use windows update to solve Stop 0x0a Vista, "click next in the system along with the safety in the column, the system will automatically repair windows update error Stop 0x0a Vista.

Method 2
First menu, click control panel, click the view, choose the "icon" (or "icon") rejected, obtain the "troubleshooting" click to use windows update to resolve Stop 0x0a Vista and "click next within the system along with the safety from the column, the system will automatically repair windows update error Stop 0x0a Vista.
Additional special steps to open up the network control panel and Internet, Internet Options, connection tab click Settings button, eliminate the "automatically detect settings before the tick, to ensure that a few hook isn't selected that may greatly enhance the effectiveness of update windows.
Restart your computer, in general, update windows return to normal.
Tips: That the manual method to troubleshoot error Stop 0x0a Vista is only recommended for advanced computer users. Recommended: Download the automatic repair tool instead.