Windows 10: Fixing System Restore Error 0x80070091


System Restore failed while restoring the directory from the restore point.
Source: AppxStaging
Destination: %ProgramFiles%\WindowsApps
An unspecified error occurred during System Restore. (0x80070091)


  • Boot into Safe mode.
  • Open Command Prompt as Administrator and type in the following commands followed by Enter Keys:

          •    cd C:\Program Files
             •    takeown /f WindowsApps /r /d Y
             •    icacls WindowsApps /grant “%USERDOMAIN%\%USERNAME%”:(F) /t
             •    attrib WindowsApps -h
             •    rename WindowsApps WindowsApps.old

  • Reboot.
  • Now recheck the issue.

After installing Windows 10 Creator Update Some Notebooks show Black Screens during closing and opening


After installing the Windows 10 Creators Update the closing and opening of some notebooks  may end in black screens.


This is a graphic card driver related  issue. The laptops with  Nvidia GeForce graphic cards show this kind of behavior after installing Windows 10 Creator Update. Nvidia has come out with a fix. GeForce Hot Fix driver version 381.78 that addresses the following:

Fixes Windows 10 Creators Update booting to a black screen on certain notebooks

The updated display driver is also being released to the affected  devices through Windows Update

Windows Technical Preview Restarts After A minute


The system  restarts after a minute or so.


Here are a few suggestions to fix the issue.

1.Open Control Panel\System and Security\System\Advanced\Settings under Startup and Recovery. Now uncheck the tick mark against Automatically Restart under System failure. Click OK. Now restart the PC. Do you get any message?

2. Try to boot in safe mode and scan your system to make sure that there is no malware.

3.. Look at %SystemRoot%\MEMORY.DMP to get any clue related to it.

4..Try the following command under CMD:

Dism /online /cleanup-image /restorehealth


Why You Should Not Add Windows Media Center To Windows Technical Preview Build 9841

When Windows Technical Preview was launched earlier this month then many added WMC to it using the product key of WMC which was used earlier on Windows 8 Professional.After adding WMC all found the name changed to “Windows 8.1 Pro with Media Center”.

Here is the comment from Microsoft Support Engineer:



Activation Issue With Windows 10 Technical Preview for Enterprise


I have installed Windows 10 technical preview,but activation is not accepted.


You don’t need to activate the Technical Preview – it’s activated automatically.The product key provided by Microsoft for Windows 10 Technical Preview for Enterprise is PBHCJ-Q2NYD-2PX34-T2TD6-233PK which is required for recovery scenarios.

To fix the issue:

1.] Open Command Prompt with Administrative privileges.

2.] Type: SLUI 3

3.] Enter  the product key PBHCJ-Q2NYD-2PX34-T2TD6-233PK

Launching Media Center Error Logs From Run Menu in Windows 8.1 Pro


You are using Windows Media Center and it’s crashing from time to time.If it happens you need to look at the Media Center log files  to find out why  it’s happening.


How to launch Media Center log:

Press Win + R keys to launch Run menu.

In the open space copy and paste the following and press the Enter key :

%SystemRoot%\System32\Winevt\Logs\Media Center.evtx

This will launch the Media Center event viewer logs.


To view Error logs:

Look at the Errors with red exclamation signs against them and double click on them to view the errors.


Source:TechNet wiki Article


Can’t Pair Bluetooth Surface Edition of the Arc Touch mouse


When I first tried to pair the device, it was found immediately, but the pairing process got stuck halfway through and didn’t move for over 15 minutes.Then I removed the device.Then tried to pair again, but now the mouse can’t be found at all.


Shut down Surface
Press and hold Volume Up  and the Power button at the same time for at least 15 seconds, and then release both.
Continue holding the buttons down for at least 15 seconds (Surface logo may flash).
After releasing the buttons, wait 10 seconds.
Press and release the Power button to turn your Surface back on.