- Download and install the software.
- It will scan your computer for problems.
- The tool will then fix the issues that were found.
This error occurs when the system attempts to activate windows 7 after installing windows 7. The error message states “Windows cannot verify the digital certificate for this site. Please contact the webmaster.”
The error code 0x80072f8f is caused by the fact the date and time settings are incorrect. If you’re unable to resolve the issue yourself, please follow the troubleshooting steps listed here.
Table of Contents:
How to resolve Windows Update and Activation Error Code 0x80072F8F
Check the date and time settings
If you’re having problems activating Windows, it could be because your computer’s date and time settings aren’t set correctly. You’ll want to check those settings before attempting to activate them again.
To do this, open up Control Panel and select “Date and Time.” From there, make sure the following options are selected:
• Set Automatically based on my region
• Show the clock in large typeface
• Use 24 hour format
• Display day/month/year
• Display month/day/year
Disable firewall temporarily
You will receive an error message “0x80072f8f” while updating Windows 7. This issue occurs because the firewall is blocking the update file. If you receive such an error, you should disable the firewall temporarily.
To do this, follow the steps below:
- Open the Advanced Options tab
- Select Turn Off Firewall
- Close the window
- Restart your computer
- After restarting the computer, try again to update Windows 7.
If you still cannot successfully install Windows 7, please contact Microsoft support.
Updated: April 2025
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- Step 1 : Install the PC Repair and Optimizer Tool. (Windows 10, 8, 7, XP, Vista).
- Step 2 : Click Start Scan to determine what problems you are experiencing with your computer.
- Step 3 : Click Repair Allto resolve all problems.
Re-register DLL files
The error code 0x80072f8f occurs due to the missing registration of one of the Windows system files. This happens because some of the required components are corrupted or damaged. In such cases, you must re-register the DLL files. You can do it manually or automatically via the command prompt.
To fix the error code 0x80072f8f, you should follow the steps mentioned below:
- Open the command prompt window.
- Type regsvr32 /u %windir%\system32\mscoree.dll.
- Press Enter.
- Restart your computer.
- If the problem still persists, try reinstalling the operating system.
Change the value data of registry key
Windows Activation Error occurs because the system cannot activate the product due to some reason. This happens when the product installation file is corrupted or damaged. In such cases, it becomes difficult to repair the issue. If you want to resolve the issue without reinstalling Windows, follow the steps given here.
- Click the Start button.
- Type regedit into the Search box.
- Right-click on the registry entry and select the Delete option.
- Now type “1” in the Value data field and press Enter.
- Repeat step 4 again and replace the value data with “0”.
- Close the registry editor window.
Contact Microsoft technical support
Error code 0x80072f8f error usually occurs during the installation of Windows 7. This error often happens when there is an incompatibility between Windows 8/8.1 and Windows 7. If you encounter such errors while installing Windows 7, you might want to try fixing them yourself. However, if you don’t know what to do, we suggest contacting Microsoft technical support. Here are some tips that could help you solve this problem.
Restart Your Computer
Restarting your computer will clear out any temporary files that could cause issues. You’ll also force Windows to reread the registry. If you’re still experiencing problems after restarting, continue reading.
Reinstalling Windows
If you’ve tried resetting your PC and reinstalling Windows, you may want to consider trying again. Sometimes, the installer doesn’t pick up on certain changes made to your system.
Check Device Drivers
Windows sometimes get confused about device drivers. When this happens, it won’t install correctly. In most cases, this can be fixed by downloading updated device drivers.
APPROVED: To fix Windows errors, click here.
Frequently Asked Questions
How do I fix error 0x80072F8F in Windows 7?
If you are facing the "Windows cannot activate because it is activated by another device or software," issue while trying to activate Windows 10/8/7/Vista, then follow the steps given below to resolve this problem permanently:
- Restart your PC and press the F12 key during the booting process.
- Select Safe Mode and try activating again.
- If still fails, restart your system and select Advanced Boot Options, and choose the Startup Repair option.
- Press Enter button to continue.
- In the next screen, select Create a restore point before doing anything else and click Next.
- Wait for the process to complete and reboot your system normally.
What does error code 0x80072F8F mean?
This means that you are trying to run an executable program from a CD or DVD drive. To fix this error, you need to insert the disc into the drive first.
What is 0x80072f8f error?
0x80072f8F is one of the most common errors encountered during the installation process. This error code occurs when there is a problem with the Windows version being installed. In some cases, it could mean that the operating system is missing certain files or components. Other times, it could indicate a hardware issue.