“Can’t Verify The Signature” is an error that occurs when the digital signature for a file cannot be verified during the Office installation process. This can happen on all Windows OS versions.

Method 1: Try a Wired Connection to Fix “Can’t Verify The Signature”

If you’re using a wireless connection, try switching to a wired network connection instead. This may improve your download speed and help resolve the issue of “we’re sorry, but we can’t verify the signature of files required to install your Office product.”

Method 2: Clear Temporary Internet Files to Fix “Can’t Verify The Signature”

Clearing temporary Internet files on your browser may help fix the issue.

For Windows 10/11:

For Windows 8:

Written by MessiMes 236 days ago

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