Unable to update Store apps: Error code 0x80070002

[Etana]

I am unable to update my Windows Store apps on Windows 8.1 x64. I get Error code 0x80070002.

I have used the apps Troubleshooter and I get this

Some security settings are missing or have been changed Not fixed
Windows Store Cache may be damaged Not fixed
Windows Store configuration may be damaged Detected
Service registration is missing or corrupt Fixed

[HappyAndyK]

Recently, the Troubleshooter was updated to fix Windows 8.1 Update 10x80070002, 0x80070003. Download this one from Microsoft and see if it helps.

Clear & Reset Windows Store Cache.

Run DISM.exe /Online /Cleanup-image /Restorehealth to repair your Windows Image. Once the scan is completed, restart and try again. This will repair the Windows Image.

Hope one of this helps you.