1: Click Start > run. Type msconfig. Choose selective startup. Go to the "startup" tab and
uncheck everything which is not essential to run in the background. Leave only antimalware programs running. (if you change your mind latter you can reactivate those programs). Confirm and reboot. Upon ebooting you will see a message that should be checked.
2: Download and run ccleaner. Run the "cleaner" and "issues" options a number of times until
nothing is left to be cleaned. Use the backup option (in "issues") when prompted to do so.
3: Run a thorough scan with updated antimalware programs. Use Spybot Search and Destroy, AVG Anti-Spyware and Adaware SE. Run your Antivirus. Run full system scans (all files), preferably in safe mode. Run the programs one at a time,
4: Run disk defragmantation. Click start > all programs > accessories > system tools > disk
5: Download and run PageDefrag. This program defrags syatem and page files which are not
defragged by other means. Set it to work upon next boot and reboot.
6: Press ctr+alt+del to enter task manager. Under Performance tab look for "physical memory". Please report Total and Available.
7: Enter "My Computer", right-click drive C: > properties. Please report Capacity and Free Space of your hard disk.
8: Download Everest and runit. Go to Computer > Sensor. Wait few seconds until the table fills up. Please report temperatutes of cpu, HD and motherboard.
It may be easier for you to use another computer for the downloads. Make sure the heatsink on the cpu is clean of clogged dust and all fans running. If you need to clean the heatsink please use a thin brush.