PC Tune-Up™ Registry Defrag Repair Software – The Slow Running Computer Solution
I get an EFW file after download, and it will not install.

Your anti-virus firewall renamed the installer file!

  • Solution1: Disable your firewall(e.g. CA Internet Security) before downloading.
  • Solution2: Modify the EFW file's name to cc_full.exe and run it. Before you start, make sure that you can see the file name extensions of your files in Windows Explorer, do as following:
    1. Select Start | Settings | Control Panels | Folder Options.
    2. Select the View tab.
    3. Uncheck "Hide file extensions for known file types".
    4. Click OK to finish.
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