Proven Solutions to Fix Error Code 646 Safely

Error 646 occurs when your system gets unable to install the updates of Windows. These errors usually appear when you start system in safe mode, its best that you boot up the system in normal or regular mode, and install manually the updates of Windows. You may encounter error message as follows:

•     "Error Code 646 - Windows Update encountered an enknown error"

This problem is caused by the way in which your computer will attempt to read the update files it needs to install, and will either be unable to process them correctly, or have some problems that will cause your PC to just stop working. The most common reason for this error to show is actually down to the way your computer will be unable to process the files & settings it requires to run, but will also have causes including registry setting errors. The way to resolve this error is to fix any of the possible causes that are leading it to show... and this tutorial is going to show you how.



How to fix code 646 error

Update Error 646 problem also occurs due to Firewall, to update your windows successfully, disable firewall temporarily. You can disable Windows Firewall by following the steps below.
1. Go to Control Panel
2. In Control Panel open System and Security.
3. You can disable Firewall from there.
4. Don't forget to enable Firewall again after installing updates.

If you still don't get anywhere, try the Windows Help and Support. They have really good info and advice on issues and errors, and they might even have some tips for optimizing your PC. Optimizing your PC is key by the way, to preventing code 626 error other errors and potentially dangerous problems.