Doesn't surprise me you're having problems uninstalling Office. It seems to put its hooks into many parts of the operating system and the registry. In my first link (above) scroll down to the "Remove Microsoft Office 2010 suites manually" section and open it by clicking on the + sign. It contains specific steps to (hopefully) remove all traces of Office. Strongly suggest you create a restore point before starting. If the worst happens you could restore your computer to the condition it is in now and be no worse off.
System Restore Point - Create