Laptop running W8 Pro w/Media Center is giving error 0x80070005 "A problem is preventing the troubleshooter from starting" whenever network, internet, or any troubleshooting modules are run when logged into an administrator account with UAC turned off.  The troubleshooters that allow "run as administrator" will run.  This seems to be a permissions issue that I can't fix.  Any su

Hi,

Try to reinstall media center for test.

Furthermore, try to create another administrator account and logon to see if the same issue occurs.

Hope that helps.