What if Office 2007 can't reload? Office 2007 cannot install a solution

Delete file: We went to the computer C:\Program Files\Microsoft Office\ After we found the Office12 directory to delete it.

Clean up the registry: We're at "start-run" and then we enter "regedit" in the Run box.

To prevent the registration from being broken, we can make a backup and click "All" (pictured)

Now we click on "My Computer" and then empty to the registry: HKEY_LOCAL_MACHINE\Software\Classes\Installer\Products

To get into this directory we simply delete the subkey (press DELETE or right button) at the beginning of "000021". Seemingly can not delete a lot of patience, one of the deletion of the bar)

After the deletion, we reinstall Office 2007 to see if you can install it, of course, if you think this is more troublesome we can use 360来 to help us clean up the registry garbage, which can also be solved.