How to Fix “Digital Signature Not Found” Error

Posted by Britt Duncan - February 11, 2015


There are times when you find a useful third-party tool on the web and know it’s definitely safe to download but still get an error saying that the digital signature is not found. How can you instruct the system to install the tool anyway? In fact, by shutting down the drive signature enforcement temporarily will do the trick. Here’s how.

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Step one: Press Windows + R keys to load the Run dialog box. At the search field, type shutdown /r /o and press Enter.

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The system will alert you that you are about to be signed off. Hit Close.

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Step Two: In the next pop-up, select Troubleshoot -> Advanced -> Startup settings -> Restart.

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down

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Step Three: Shortly, the Windows will restart and show up with Startup Settings screen. Tap F7 to choose Disable driver signature enforcement.

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That’s what it takes. After the computer restarts, the change will take effect and you will be able to install the third-party tool smoothly. As digital signature is an important sign to distinguish the malware from legit programs, it’s secure if the system is set to build up protection layer. So, once you finish installing the program, restart the machine and then the digital signature enforcement will be enabled again.


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