Originally Posted by david@mex
another question does anybody know why a computer wont letyou download things such as virus removal tools and any other av system?
Yes- some of the malicious programs out there redirect requests to anti-virus/anti-spyware web sites by modifying your "hosts" file. Search for the hosts file and open it in Notepad. A basic hosts file will only contain a few lines of comments at the beginning, and the following single entry:
127.0.0.1 localhost
If you see any other 127.0.0.1 entries, they should be deleted.
As to your original problem- there's always the possibility that you've got a hardware problem. Things like bad RAM, a fault on the motherboard, or overheating could all cause unexpected shutdowns.
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