Just upgraded from Windows 8 Pro to Windows 8.1 Pro. No hacks or anything, legit key. My problem is that the Store shows that the Music and Video apps both have updates but they both error out on install with 0x80073cf1 and 0x80246007 errors respectively. Trying to fix it I have tried the following: sfc /scannow finds nothing wrong DISM /Online /Cleanup-Image /RestoreHealth tells me "The restore operation completed successfully. The component store corruption was repaired. The operation completed successfully." And running Troubleshooting from the Control Panel on the Windows Update option quickly results in a "Windows Update components must be repaired" and "Fixed" with a friendly green checkmark. But the errors remain whenever I try again. Any ideas?