Hello,
Thank you for keeping us posted with the status of the issue.
I would suggest you to try performing a System Restore in Safe Mode and check if this helps to fix the issue. You may refer to the following article to boot your computer in Safe Mode.
Windows Startup Settings (including safe mode)
http://windows.microsoft.com/en-US/windows-8/windows-startup-settings-including-safe-mode
Once you’ve booted up the computer in Safe Mode, you may try to perform a System Restore. You may refer to the following article to perform a System Restore on your computer.
How to refresh, reset, or restore your PC
http://windows.microsoft.com/en-IN/windows-8/restore-refresh-reset-pc
Hope this information is helpful. Please do let us know if you need further assistance with Windows, we’ll be glad to assist you.
Thank you.