Safe mode on PC

Start up computer, press F8, and choose “last known good configuration”

Back up any files you care about, and restore your system with the system restore feature/disk that came with it. The nice thing about doing this, is that it’ll run a lot faster too.

well I did free scnas to what im missing it shows I have over 1,000 errors in my PC -_- and my AVG anti-virus hasent foudn any sence my last scan. I dont know whats up now.

try shuttin it down, then when ya turn it back on might give ya a choice of what

ya can do on the screen, dunno fer sure, worth a try, viruses mess up bad sometimes

If you did the system restore, then run a full scan with your AVG.

After that try running Ad-aware

  Ad-aware removes spyware and it’s FREE!

http://www.lavasoftusa.com/products/ad_aware_free.php

Go to above link and Download

After that if you have a registry cleaner, run it, otherwise:

  Eusing Free Registry Cleaner is good and relatively fast.

http://www.eusing.com/free_registry_cleaner/registry_cleaner.htm

Go to

Start > All Programs > Accessories > System Tools > System Restore

and select Restore my computer to an earlier time. Click Next.

Now select a date prior to when your brother fouled up the computer.

Click next and follow any succeeding instructions.

After you have restored your computer, try going to the site below to remove any virus:

HouseCall is a free online virus scanner offered by Trend Micro, which checks whether a computer has been infected by viruses, spyware, or other malware.

http://housecall.trendmicro.com/

After that, if you don’t have an anti-virus program, consider AVG:   AVG is a FREE anti-virus program that is excellent

http://free.grisoft.com/ww.download-avg-anti-virus-free-edition

your computer has most likely gone into safe mode to protect itself, keep in safe mode, scan for viruses, if you dont have an anti virus program, AVG is a good one, also spybot can help remove spyware, which can also B*gger up the pc. do a system restore if possible.

Ethmer above had the correct steps to take that should put it back.