Another way is to go to RUN and type in compmgmt.msc and click. Then go into Local users and Groups. Then select the user account and check on passwords never expires.
A friend of mine was having the same issues. Live messenger stopped working about a week and a half a go. Couldn't figure out what stopped it. Ran the troubleshooting test, points to ports. But we turned off windows fireall, router firewall. To no avail. But his bro came on a sunday and fiddled...
You need to go into folder options. This should be in the control panel. Make sure to check the boxes for simpler folder view. Then click to apply to all files and folders.
If I were you, I'll try to go into the Advanced options and try restoring defaults so the index will automatically be set to default or rebuild the index.
I have a similar system running Vista x64 and with the 8500 GT with the same issues. Freezing when launching computer games, plugging usb external hdd. I've read forums on the net, it could be due to the Nvidia drivers. A report was out months ago suggesting Nvidia was responsible for 70% of...