Allow software to run or install even if the signature is invalid

This policy setting allows you to manage whether software such as ActiveX controls and file downloads can be installed or run by the user even though the signature is invalid. An invalid signature might indicate that someone has tampered with the file. If you enable this policy setting users will be prompted to install or run files with an invalid signature. If you disable this policy setting users cannot run or install files with an invalid signature. If you do not configure this policy users can choose to run or install files with an invalid signature.

Additional Information

  1. Registry path is:

    HKEY_CURRENT_USER -> Software -> Policies -> Microsoft -> Internet Explorer -> Download # RunInvalidSignatures

  2. The Administrative Template path is:

    Windows Components -> Internet Explorer -> Internet Control Panel -> Advanced Page


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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