Windows 8 App store Will Not Launch To Update Windows 8?

Looking Forward To Updating Windows 8 And Find Microsoft Windows Store Not Opening Or Launching? Causes Range From ‘Your Display Driver May Be Out Of Date’ To Programs Running In The Background Are Causing Issues or denied access to certain files. Microsoft has acknowledge this issue and will issue a downloadable Windows 8.1 update in the near future, but in the mean time here is the fix!
First Step – Run The Windows 8 App Troubleshooter
Troubleshoot and Fix Store App Issues in Windows 8 with “Windows Store Apps” Troubleshooter

Download Windows 8 App Troubleshooter and run

Still Not Working? Here Are Other Solutions You May Try
Reset the Windows Store App cache

› Press Windows key + R to open run window.
› Type wsreset.exe and press OK.

Limiting What Programs Are Starting Up When Windows Boots

Start-up Program May Be At Fault (Probably not but sure, try it anyways)

1) Press the ‘Windows + R’ key on the keyboard.
2) In the ‘Run’ windows type ’MSCONFIG’ and click ‘Ok’.
3) On the ‘General’ tab, click the ‘Normal Startup’ option, and then click ‘OK’.
4) When you are prompted to restart the computer, click ‘Restart’.

Your Display Driver May Be Out Of Date

› Press Windows key + R to open run window.
› Type wuapp and press OK.
› Check for updates and go to optional updates, check and see if update is available for your graphics adapter and do the right thing, update!

Windows 8.1 App Store Update Not Working FIX

Ok, This Works! The command line for the activation of the Windows App Store in case it is inaccessible. In the event viewer you may see denied access to xml file. You need to run the command prompt in administrator mode.

Windows Key + X
Command Prompt (Admin)

powershell -ExecutionPolicy Unrestricted Add-AppxPackage -DisableDevelopmentMode -Register $Env:SystemRoot\WinStore\AppxManifest.xml

…And The Windows Store LAUNCHES
Ready to update Windows 8 to Windows 8.1