How to Fix a Corrupted Registry


The registry files in your computer system record data, such as new program installations and old program uninstallations, as well as your personal computing preferences. As programs are installed and uninstalled, residue from these changes will begin to accumulate in the registry system. The result is that the registry becomes bogged down with accumulated file residue. Eventually, the registry may become corrupted. To fix this problem, try a utility like CCleaner.

Things You'll Need

  • CCleaner software
  • Ensure that your computer is experiencing problems due to a corrupted registry. Common problems will be slow program response, slow Internet service and computer freezing.

  • Open the CCleaner software. Click the "Registry" symbol. It is a blue cube located on the left hand side of the program screen.

  • Click "Scan for Issues" button, on the bottom half of the screen. Check the registry errors that you want to fix and uncheck those that you do not want to fix. Click the "Fix Selected Issues" button.

  • Select or do not select the option to back up any registry changes under the "CCleaner" dialog box. Depending on your choice, click the "Yes" or "No" button.

  • Click the "Fix All Selected Issues" button under the dialog box titled "Unused File Extension." Click the "OK" button in the next dialog box named "Fix All Selected Issues?"

  • Exit the CCleaner program by clicking the "Close" button. The corrupted registry has been repaired.

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