Category Archives: windows update

Microsoft 2020-09 Cumulative update won’t install correctly(KB4571756) (Error 0x800f081f),how to fix windows update error 0x8007025d


My laptop is Windows 10 Home 2004 (Build 19041.450). The Windows Update progr told me that there was a cumulative update available to install (2020-09 Cumulative Update for Windows 10 Version 2004 for x64-based Systems (KB4571756)). And then I follow the installing steps to install the update, after the installing, there were errors occurred: windows update error code  0x800f081f or 0x8007025d, I can’t fix these errors.


 You can free up some drive space so you can run updates and then restart to install the 2020-09 Cumulative Update,run Windows Update again and then disconnect external hardware,update third-party drivers, you can check Device Manager to find installing errors.

If the above solution doesn’t work, you can try this solution,it will take long time to fix this windows update error:

Pleas download the media creation tool from the Microsoft website and choose to upgrade this PC.

It reinstall Windows 10 and update all the windows files, the installing process will took you more than 4-5  hours.

In fact,it depends on your laptop configurations and Internet connection speed.

After reinstalling windows 10, my video driver stops working, and then I update video driver to latest version, restart my laptop,now the monitor is displaying correctly.

Then it installed the 2020-09 Cumulative windows Update successfully,there were no any errors.

Finally I download wisepcdoctor to clean the junk files when the installing is finished.

Windows 10 version 2004 “Your Device is not ready” and windows update install failed


Hello, I have 16 GB of free space on windows system disk

I’ve tried three times in my computer to install windows 10 update version 2004,when installing updates, it reaches sixty percent then returns to fifty percent and then it reaches to seventy percent, and stop going on ..A message appears with undo changes to computer

What is the real reason that affect the update could not be installed correctly on my computer? How to fix this problem?


Since the release of the patch update of windows 10 version 2004, many people have encountered the install failed problem, and others have successfully installed the patch, but the system also prompt a message: Your Device is not ready. The reason for this problem is that Microsoft’s upgrade program will automatically roll back and stop the installation if the driver is incompatible during the installation. Even if some computers are installed successfully, it will prompt that the hardware is compatible

Please follow these steps to fix your problems:

A) Download wisepcdoctor tools and install it.

B) Run wisepcdoctor to scan system errors and fix these errors.

C) And then you can download the windows update assistant and update your windows. The download link: Windows 10 May 2020 update assistant . After you install this assistant tool, you’ll get windows updates automatically.

D) Run windows update assistant to update your windows to Windows 10 May 2020, after that restart your PC.

E) The error message “Your Device is not ready” of Windows 10 version 2004 will never show again.