unable to uninstall updates in windows 7

Version of Windows: 7 Home Premium, 64-bit OS (I don't see any service pack # when I look at Windows Edition under Computer--system properties. If there is somewhere else I should look, let me know)

the problems (performance so slow I can't do anything) started after installing downloaded updates

-update for MS OneNote 2010 (KB2553290)

-update for MS Office 2010 (KB2553310)

-update for MS Office 2010 (KB2553092)

-update for MS Office 2010 (KB2553270)

when the computer starts in normal mode, it is EXTREMELY slow and I get various pop up messages like 'problem starting rundll'

I have tried to do a system restore, but there is no system restore point. I have read that I can create a system restore point now, but I don't see how that will help me since I need one from a time before the updates were installed. Is there some way

I can find such a system restore point that I don't see when I choose system restore?

I have tried to uninstall the updates but see 'an unknown error occurred. the update could not be uninstalled.' Perhaps that is because I am in safe mode, but I can't uninstall in normal mode because I can't operate the computer in normal mode.

I also tried using a microsoft support fix it tool to diagnose problems with windows updates. the result is

Issues found: Repair Windows Update components Fix status: not fixed.

I did have a similar issue with a windows security update in the past. After installing that update (I don't have a record of the name/number of that update), I got countless messages about not able to run xxxx. That time, I went back one day with system

restore.

My anti-virus program is Norton AntiVirus.

Please tell me if you have any suggestions to either help me do a system restore or how to uninstall the windows updates. I would love to get back to using the computer in normal mode. Thank you very much!

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