Windows 7 crashes frequently

since sometime saturday, my laptop (hp g60 if that helps) has been frequently crashing. i believe updates were installed on friday night. yesterday, i went to go to system restore, and pick the may 19th backup to restore to, but it froze before i could pick it -_- and i just gave up and waited until today. but as i went to go restore a while ago, the back ups that were shown yesterday no longer appear. the hard drive failed and was replaced about a month and a half ago (SMART error i believe) and it has been working fine until saturday. the freezing has only gotten worse today, currently i am trying to watch a film for history class and my laptop freezes every 10 or 15 minutes, requiring me to restart the computer manually. can anyone help? thanks

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my laptop (hp g62 notebook) has been every few minutes since saturday, and i'm trying to restore windows 7 on it. a while ago i was trying to see why it was crashing, but now i would just like to do a complete reinstall. however, i got the hard drive replaced a month and a half ago, and i no longer have the hp recovery manager program, which is the only way i can reinstall windows without a disc. i have tried to redownload it, but i have been told it cannot be downloaded and installed. i cant install with a disc as i have none, and have no more options. can anyone help?

also, the computer seems to work fine in safe mode with networking, which is what i'm using right now.

Clean Reinstall - Factory OEM Windows 7 may be of interest.