This article will show you how to do a clean boot of Windows 7, which disables optional programs and features from starting up with your PC.NOTE: Windows 7 is no longer supported by Microsoft or Micro Center as the operating system has reached its end of life, this guide is available for those still looking for assistance with Windows 7. Further troubleshooting outside of this guide for Windows 7 is not available from Micro Center.1. Go to the Start menu and in the search field, search for msconfig. Click on msconfig from the search results. A System Configuration Window will open. 2. Click on the Services tab. 3. Click the check box for Hide all Microsoft services. 4. Click Disable all. 5. Click on the Startup tab. 6. Click Disable all. 7. Click OK to complete any changes. Click Restart now if prompted so the changes can take effect.