Office 2010 help

Hi guys! I am wondering if somebody on here could help me with an Office 2010 problem. I've been using the Office 10 on my laptop since I bought it (about 3 years ago). It wasn't a full version so for example some features in Word couldn't be accessed but it was still working absolutely fine. Then, one day, out of nowhere it stopped working. I mean, it takes like 10 minutes to open a document and then if I try to type something, then it takes really long and ends up telling me that the document is not responding. Does anybody know what is going on?! I am really worried as I have to use Word a lot! Thanks!

Hi, Have you tried using a system restore point created a week or so prior to the trouble starting, with your Microsoft Office Word ?? Regards paws