Fix WinCC “Please restart Windows before installing new programs” Fix Error Works 100%

Hi everybody. During the installation of WinCC software, Step 7, TIA Portal many people could not complete the installation because the Computer required Restart continuously, after Restart still asked…

How to fix “Please restart Windows before installing new programs” error in Siemens software

+ Step 1: Open the Registry Editor by simultaneously pressing the “[Windows] + [R]” buttons >>> Enter “regedit” in the input field and click OK.

+ Step 2: In the Registry Editor you navigate to the path “HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager”
>>> Check whether the value name “PendingFileRenameOperations” is in the path.

+ Step 3: Delete the entire “PendingFileRenameOperations” entry (not just the contents) and then close Registry Editor
>>> You start the program installation without prior restarting.

Video Tutorial

+ Note: During the installation process, the WinCC, STEP 7, TIA Portal software may continue to ask to reset the computer, you will do one more step like this after resetting your computer.