Download torrent error?

HI i use windows vista and have utorrent and i've had this problem recently

when i go to any torrent site to download anything i click the download this torrent button and then my downloads window comes up and i see the download bar come up about a third or so and the it says C:\user\HOUSTO~1AppData\Local\temp\Harol... and Kumar go to white castle (2004) [site name here].torrent could not be opened, beacause an unknown error occured

this happens wth every torrent from everysite and no matter what i do and im getting mad about it please help me

also don't be confused it does not even open utorrent it does not get that far only to the download window and quits please help i don't know how to do much so i need "English" answers first one who gives me an answer that elimates this problem gets the ten points

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Click start

Type 'feat' in the start search field

Click on Programs and Features

Click on uTorrent

Click on uninstall and follow the prompts to completely remove it.

Download and install uTorrent again.

If that doesn't work try disabling your firewall and trying again, if it is the firewall blocking it then try updating your firewall software.

Download torrent error?hack into myspace myspace.com

reinstall windows from scratch (first format the hdd) then install