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Office 2010 Home & Business Installer error

smd333 asked
Last Modified: 2012-05-11
I have a windows XP 32 Bit PC that had office 2007 Pro installed.
I remove the 2007 from add/remove programs and reboot PC.
I then install 2010 but it detects a previous version of office installed and causes error in attachment.
Screenshot of ErrorI have tried several fixes including this to no avail:
I have tried Windows Install clean up utility but that just errors when I try and remove the remnants of the program.
I have also tried RevoUninstaller without success - it detects and deletes many registry entries and files/folders but the office installer ALWAYS detects the old version and tries to upgrade it.
Tried to get through to MS Product Support Services - they want a PID for the product which I put in (from another 2010 install that works) and it does not recognise it, and want £46 to speak to me otherwise which I will not pay.

No idea what is stopping this and have had to System Restore back to a few days ago so that the user can continue using office 2007 until I get the fix for this - it almost seems like 2007 just will not be removed from the PC. I really dont want to hear I have to format the PC - that seems ridiculous just to update office, so hope someone has a cast iron fix.

Searched beforehand and found a similar issue but with previous versions of office in this question - have tried the suggestions in there to no avail either.
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