Windows Update will remind you if you need to restart your PC to continue installing an update and give you the opportunity to 'restart now' or give you the option to postpone the restart. Have you ever think, why should you update your Windows regularly?
After installing updates in Windows operating system (Windows 7, vista, Xp), the auto-restart process start in order to apply all the updates. Despite this, Windows 7 has added option to allow users to postpone or delay the restart. The computer will still automatically restart sometime later, if the updates required system to be rebooted to finish the installation. You can also undo the Windows update.
To fix Windows 7 and disable Windows from automatically restart after auto-update, use the following tips below-
Step 1: Click 'Start' and type 'gpedit.msc' in the search box and hit 'Enter'. It will open up 'Local Group Policy Editor'.
Step 2: Now click 'Computer Configuration' from the side of the opened window. Find here how to run Windows 7 updates.
Step 3: Now click 'Administrative Templates' and then click 'Windows Components'. Now scroll down window and select 'Windows Update'.
Step 4: Now double click the option for 'No auto-restart with logged on users for scheduled automatic update installations'. It will appear 'Properties window'.
Step 5: Now change the option from 'Not Configured' to 'Enabled' and click 'OK'.
After all close the Local Group Policy Editor window. Now you will no longer be prompted to restart your computer after Windows installs auto-updates.
Also find here how to fix the problems which occur by Windows automatic updates.