Skip to main content


“Can’t Verify The Signature” Install Error In Office 2019 To fix the installation error “Can’t verify the signature”, use the following methods. We will assist or give live support for all versions of Windows and Office 365. This Error “Can’t Verify The Signature” applies for all versions of windows like Windows 11, Windows 10 and Windows 8. We Should verify these signatures to keep our computer safe. This can be done by installing a latest product and if the installation fail try to download it again. Similarly, make sure that the downloaded product is from the trusted source.