The System Configuration Utility
1. Open "Start," click "Run" and type “msconfig” in the field. Press "Enter" to run the System Configuration utility.
2. Click the "Startup" tab for a list of programs that launch at system startup. Disable the programs that are not important to Windows, video card, sound card or other devices connected to the computer. Each computer will have a different list of startup programs, so it is up to the user to determine what is important.
3. Click "Apply" to save the settings, click "OK" and then restart the computer when prompted.
CCleaner's Registry Cleaner
4. Download CCleaner from CCleaner.com. Click the "Alternative Download" option in the Download section for a direct download from the vendor's website.
5. Install and run CCleaner. Follow the default installation instructions.
6. Click the Registry icon in CCleaner, uncheck the "ActiveX and Class Issues" and the "Installer" options and then click "Scan" for Issues.
7. Click "Fix Selected" Issues, then click "Yes" in the confirmation window to create a backup of the registry. Click "Fix All Selected Issues" in the new window, then click "Close" when the task is complete.
Windows Update
8. Click "Start," "All Programs" and then click "Windows Update."
9. Click "Check for Updates," then install any critical update. The computer will have to restart and run Windows Update again, depending on the number of updates.
10. Continue running Windows Update and installing critical updates until no more are available.
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