Problem with Code 800b0100 Windows Update Encountered Unknown Error?

Don't Worry - I'm here to help you fix it!

Causes of the error:

Code 800b0100 Windows Update Encountered Unknown Error
This error is usually caused by misconfigured system files.

So, from my experience, if you received a Code 800b0100 Windows Update Encountered Unknown Error message then there is a 95% chance that your computer has registry problems.

These Windows errors are easy to repair. By downloading and running the registry repair tool RegCure Pro, you can quickly and effectively fix this problem and prevent others from occuring. After fixing the registry, a quick scan with Spyhunter anti-malware tool will ensure that your PC has no more problems!

mimiAnne said skip Key' and XenDesk. Maybe in a couple of months they will have sorted out all these issues and I will upgrade then. If it happens again I'll find out. You must have a qualifying program loaded i.e., Win7SP1 or Win8 to upgrade.

Simply click the links below for your free download.

To Fix the problem you need to follow the 3 steps :

STEP 1:
Download & Install RegCure Pro for Free to Scan Your PC
    Choose the "Repair All" Button after the system has finished scanning.
STEP 2:

Spyhunter will optimize your PC by removing all traces of Adware, Spyware and Malware. Your PC will run much smoother after this process is completed.

Choose "Start New Scan" after installing

STEP 3:
Click the "Repair All" Button and follow directions on screen.
That's All!

Technical Description of System Error (for Experts only):

Microsoft Windows [Version 5.2.4630]
(C) Copyright 1985-2014 Microsoft Corp.

C:\Documents and Settings\Administrator>RegCure Pro.exe

Windows Code 800b0100 Windows Update Encountered Unknown Error may caused by some of the following errors



  • Windows Explorer Errors
  • Javascript Errors
  • Hardware Malfunction
Error Symptom include:
Can not printing file

  • Blue Screen
  • IO error
  • Shutdown problems
  • Http error
1) Modify The Application Data Path Inside The Registry

Click onto “Start” – search for “Regedit.exe”
Browse to the following path in RegEdit:
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders
Double click the entry called “AppData”
Replace the original value with your own local profile path
Press OK
Restart your PC