Learn how to set Windows 7 to deny software with an invalid signature to install or run.
Don’t Allow Software with Invalid Signature to Run
- Open the Control Panel from the Start menu.
- Open Internet Options in the Control Panel.
Note: If Internet Options is not available, change View by to Large icons at the top right of the Control Panel.
- Select the Advanced tab in the Internet Properties window.
- Uncheck Allow software to run or install even if the signature is invalid and then click OK to save the changes.
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