“Can’t Verify the Signature” error message is an indication of that there is a problem with the digital signature attached to a file or email. The digital signature is used to ensure that the authenticity of the file or message, and when the software can’t verify the signature, the error message is displayed.
Fix Error “Can’t Verify the Signature” in Office 365/2021/2019 Installation
alexwiilian July 14, 2023Computers
“can’t verify the signature
https://msonlineservice.com/cant-verify-the-signature/