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Re: Slow PC
A dirty volume is one where the filesystem 'could' have become corrupted, This is a flag that normally forces windows to do a chkdisk at startup. You should run it manually. the way things are written to disk is in what is called chains, basiaclly its like a big circle and when something is added the chain is broken, teh new stuff added and the ends joined back up. what has happen is that your PC crashed whilst some of these chains hadn't been joined back up. this is called a 'lost chain' chkdisk can fix these by looking for both ends of the broken chain and joining them back up. Its not guraranteed that teh file won't still be corrupt but at least its a chance In reality it works 90% of the time.
Initially run chkdsk, it could be your hard disk is slowly dieing you will see loads of bad sectors if it is. If it is NOW is the time to burn off anything important. not in 10 mins or next week, NOW.
You should only need 1 AV, spyware/malware yes, 2 or 3 preferred. Firewalls and AV are 1 only.
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