Unable to do a System Restore

Hi yall! It would be nice if some expert could help me with this problem of not being able to use System Restore. I am using Windows XP home edition OS and just recently I noticed I can't do a System Restore procedure, I get this message stating windows was unable to restore at the point I selected. So I'm thinking maybe it has something to do with NIS, maybe I have to turn something off, I just don't know. Don't want to try anything right now cause I might just get my PC in more trouble than it is now....I'm just afraid of all those malicious viruses that can ruin one's PC.

 

I see this silent mode feature but I don't know for sure if that is what I turn off. So would appreciate some help...thanks a lot!!

 

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