Microsoft recently released yet another optional update KB5000842 for Windows 10 version 2004 and 20H2. The update brings few new features and several improvements. 

Now the update KB5000842 is failing to install for many users. The issue is widespread as is clear from many threads created in official Microsoft forum by users.

One user writes,

Update Error in Windows 10 21H1 ( OS Build : 19043.899 )

 

While Updating to 2021-03 Cumulative Update Preview for windows 10 version 21H1 for x64-based systems ( KB5000842 )

 

The following error is displaying

 

Download Error – 0x800f081f

 

Kindly resolve it at your earliest 

 

Regards ,

Bhargava B U

Similar feedback has been added by other users too.

Unable to update windows [KB5000842]

 

while updating windows I am getting the following error :

 
There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800f081f)
 
KB which is trying to install :

2021-03 Cumulative Update Preview for Windows 10 Version 21H1 for x64-based Systems (KB5000842)

Similar issue reported by another user.

0x800f081f error when updating Windows 10

When installing 2021-03 Cumulative Update Preview for Windows 10 Version 21H1 for x64-based Systems (KB5000842)

There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800f081f).

 

In addition Canon Pixma Easy Photo Print gives an error which people say to be related to a recent update.

 

Any idea?

If you want you can try to download and install it manually. You can click on the download link provided below to install it.

Download link:

You can manually download this update by clicking here. If you need help in understanding how to install these updates manually on your PC, you can refer to our step by step noob-friendly tutorial here.