Please boot into Safe Mode. You can do this by:
Restarting your computer and as soon as it starts booting up again continuously tap F8. A menu should come up where you will be given the option to enter Safe Mode.
Go to Start --> control panel --> power settings and uncheck both hibernate and standby.
Then reboot back into Normal Mode.
Step #2
To get an Uninstall List from HijackThis:
- Open HijackThis, click Config, click Misc Tools
- Click "Open Uninstall Manager"
- Click "Save List" (generates uninstall_list.txt)
- Click Save, copy and paste the results in your next post.
Step #3
Go here and download SpaceMonger.
Click the Open button to select the C:\ drive to be checked.
After it runs, please post a screenshot of SpaceMonger by:
Download screenshot.exe by AutoIT Team to your desktop.
Right Click on a blank space on your tool bar (red Arrow) to get the following menu.
click Toolbars/ Desktop. (Black Arrow)

You should now see Desktop on your toolbar next to the clock.

Next recreate the error that your getting then
- By clicking on the arrows next to "Desktop" you should see the desktop contents .
- With the error your receiving showing on your desktop
- Scroll or place your pointer on screenshot or screenshot.exe and click once. If you get a security warning, simply click Run.
- A new JPEG Image will appear on your desktop called screenshot or screenshot.jpg
- Add that as an attachment to your next post.