If you are trying to upgrade your computer but encounter the Windows Update Error 0x800F081F – 0x20003 instead, then read on as this post will guide you in fixing this Windows Update error. This kind of error is commonly encountered when upgrading your copy of Windows 10 and is caused by errors with various developer-related settings that are being enabled in the system.
When you encounter Windows Update Error 0x800F081F – 0x20003, you will see either of these error messages:
“We couldn’t install Windows 10. The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation: Error 0x800F081F”
“The installation failed in the Safe_OS phase with an error during apply_image operation: Error: 0x800f081f – 0x20003”
To fix this kind of Windows Update error, you need not use external programs but you can try to disable the Developer Mode, run the Windows Update troubleshooter or restart all the Windows Update-related services and components. For more details, refer to the options provided below.
You might have to disable Developer Mode to fix the Windows Update Error 0x800F081F – 0x20003. How? Refer to these steps:
You should also try to run the built-in Windows Update troubleshooter as it could help you resolve the Windows Update Error 0x800F081F – 0x20003. To run it, go to Settings and then select Troubleshoot from the options. From there, click on Windows Update and then click the “Run the troubleshooter” button. After that, follow the next on-screen instructions and you should be good to go.

“The remote computer that you are trying to connect to requires network level authentication (NLA), but your windows domain controller cannot be contacted to perform NLA. If you are an administrator on the remote computer, you can disable NLA by using the options on the Remote tab of the System Properties dialog box.”Or you could also see this error message instead:
“The remote computer requires Network Level Authentication, which your computer does not support. For assistance, contact your system administrator or technical support.”Before you proceed in troubleshooting the problem using the options provided below, you need to create a backup for your data or system restore point as well as make a copy of any registry entries you are going to modify.
“This webpage was blocked by an extension (ERR_BLOCKED_BY_CLIENT)”This kind of error, as pointed out, could be caused by an extension or plugin on Chrome that is blocking the web page. It is also possible that the version of Chrome is obsolete or that there could be more than 100 bookmarks in the Bookmark Manager. Before you troubleshoot the problem, make sure that you download the latest version of Google Chrome and see if it fixes the error. If it didn’t, then you can try opening a web page in Incognito Mode or disable and remove the extension that’s causing the problem. You could also try to remove any surplus bookmarks.
Error Causes"Cannot find the file sqlite3.dll (or one of its components)"
Followed by:
"Error starting program.. A required .DLL file sqlite3.dll was not found."
Error Causes
Error Causes