Allow Software with Invalid Signature to Install or Run

Learn how to set Windows 7 to allow software with an invalid signature to install or run.

Warning: Allowing software with an invalid signature to run or install can crash your computer. Use this guide at your own risk.

Allow Software with Invalid Signature to Run

  1. Open the Control Panel from the Start menu.
  2. Open Internet Options in the Control Panel.

    allow-software-run-install-no-sig-1

    Note: If Internet Options is not available, change View by to Large icons at the top right of the Control Panel.

  3. Select the Advanced tab in the Internet Properties window.

    allow-software-run-install-no-sig-2

  4. Check off Allow software to run or install even if the signature is invalid and then click OK to save the changes.

    allow-software-run-install-no-sig-3

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