The situation is, I was installing Office 2010 on my Vista, but if I choose to do a full install it just won’t complete and rollback halfway(tried to only install Access and it worked. But I need other components as well).
Error log shows error 1603, and when I use Process Monitor I can see some “ACCESS DENIED” when accessing registry. It pointed to HKCR\.odt and HKCR\.ods(created by OpenOffice I think). I’m sure that these keys caused installation failure according to error 1603’s definition. so I used regedit to look in it. At first I got Access Denied too, and I set to own the key and Full Access to everyone. BUT I still can’t delete it. So I booted to PE and deleted those keys, it seems to be deleted and I unloaded my registry after deleted it. When I reboot to my Vista, these keys are still there. I could delete .ods and did it, but .odt is still there and cannot be deleted. The weirdest thing is that when I try to access subkeys such as shellex, I got an error: System cannot find the file specified.(or something like it, I’m using Chinese version now.)
Now I’m stuck. I dunno what to do to delete that key. I think most tools are for cleaning registry and not actually repairing it. Please help me, how to get rid of that registry key?