You did not tell us about this:
Is my computer clean?
https://www.techspot.com/community/topics/is-my-computer-clean.183382/#post-1207561
C: is FIXED (NTFS) - 34 GiB total, 9.456 GiB free>> you have almost no hard drive space available. Free space should be a close to 80% as possible. This shows only about 28% free.
Install Date: 2/17/2010- did you get this compouter from someone. It's not likely it was new in 2010. You said no updates, so it doesn't sound like a reformat/reinstall was done.
You problems at that time:
"It gave me a blue screen a couple of times. but comes back after a reboot. I want to make sure there is no hidden viruses or malware."
"a few weeks ago, I received a message on my avast antivirus that it found 3 root kits. and it deleted them"
A BSOD that is handled by a reboot can be an indication of not enough memory. Basically what happens is that the available RAM gets used and there is no more for the next action. So at that point, the system can crash. A reboot can restore some of the memory that was in use and the cycle will start again
Broni said he didn't see any malware: >Clean 7/26/2012, but didn't have you clean up the programs that had been used. When you didn't reply back in the 5 days, he closed the thread- so let's get rid of that stuff:
Removing all of the tools used and the files and folders they created
- Uninstall ComboFix and all Backups of the files it deleted
- Click START> then RUN
- Now type Combofix /Uninstall in the runbox and click OK. Note the space between the X and the U, it needs to be there.
- Download OTCleanIt by OldTimer and save it to your Desktop.
- Double click OTCleanIt.exe.
- Click the CleanUp! button.
- Select Yes when the "Begin cleanup Process?" prompt appears.
- If you are prompted to Reboot during the cleanup, select Yes.
- The tool will delete itself once it finishes.
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Note: If you receive a warning from your firewall or other security programs regarding OTC attempting to contact the internet, please allow it to do so.
Note: If any tool, file or folder (belonging to the program we have used) hasn't been deleted, please delete it manually.
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- You should now set a new Restore Point and remove the old restore points to prevent infection from any previous Restore Points.
- Go to Start > All Programs > Accessories > System Tools
- Click "System Restore".
- Choose "Create a Restore Point" on the first screen then click "Next".
- Give the Restore Point a name> click "Create".
- Go back and follow the path to > System Tools.
- Choose Disc Cleanup
- Click "OK" to select the partition or drive you want.
- Click the "More Options" Tab.
- Click "Clean Up" in the System Restore section to remove all previous Restore Points except the newly created one.
Empty the Recycle Bin
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Removing those tools will help a bit. Combine that with the maintenance instructions we have given. Then let us know if you have a noticeable difference.
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Note: I do see a lot of processes running in the background. Some can be stopped and/or taken off of startup.
You have a slow processor, minimum RAM and almost no hard drive left. Good idea to start saving those pennies toward a new system.