How to Fix Windows Activation Error 0x80072f78

Sometimes your Windows doesn’t work properly to complete the technical works you are going through. You go with many fixes to make the computer stable but nothing works. In these situations, you reinstall the Windows or you simply upgrade or install newer version of Windows in the computer. Sometimes when you install Windows 7 in the system and try to activate it, you will see Windows activation error 0x80072f78 on the computer screen and Windows won’t be activated. If you are facing this issue, then you are at the right place to resolve the problem. You can go with the manual or automatic methods recommended here. For automatic fixing, you can use Advanced System Repair tool in the computer.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
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The most common symptom you may receive is the prompting of activation error 0x80072f78 in Windows. This happens while you try to activate the Windows 7 after installation. You will also see automatic shutdown, repetitive restarting, slow computer performance, etc in the computer as other symptoms. You will exactly get the following error message on the computer screen;

“The server returned an invalid or unrecognized response. Error code 0x80072f78”

Mainly the error comes to you due to the installation of the Windows 7 by connecting with internet via proxy server. You may also get this issue due to incorrect registry, corrupt system files, invalid keys used, virus infections, installation of the Windows 7 with corrupt or damaged media, etc.

To get rid of Windows activation error 0x80072f78 manually, you can go with the following steps;

  1. First go to the BIOS and set the correct date, time and year.
  2. Install all the available updates.
  3. Ask for the serial number of Windows 7 through telephoning.
  4. You can also try to install the Windows again with other media.

You can fix Windows error code 0x80072f78 or remove Windows activation error 0x80072f78 in your computer with the help of the above manual method. But if the issue is still in your computer, you can download and install Advanced System Repair tool in the computer for automatic fixing.


Compatible with the Windows 8 32-bit and 64-bit Operating System, Windows 7 32-bit and 64-bit Operating System, Windows Vista 32-bit and 64-bit, Windows XP 32-bit
multi-badge-win7

Advanced System Repair tool will help you to get rid of the Windows problems automatically. It will repair the registry entries automatically. The tool will scan the whole computer and find out errors, infections and other malicious files and remove them all completely from the system to improve its performance.