Okay ..as an alternative, please download the following freeware utility:http://www.ccleaner.com/download/downloading
Done that, run the same and click on the 'Run Cleaner' button in the window that comes up in order to do a comprehensive cleanup of useless data in your system.
Next, click on the 'Registry' tab present in the left pane, then scan for and fix issues found in your registry, which may be slowing down your system.
Now, click on the 'Tools' tab present in the left pane, then under the 'Uninstall' tab, look for and highlight programs present which you don't need ..and click on the 'Run Uninstaller' button to uninstall the same.
Under the 'Startup' tab, look for and delete the program entries scheduled to run when you start up your computer, which you don't need, or know of.
Restart thereafter and let me know how you get on, now.