Windows 10: The timestamp signature and/or certificate could not be verified or is malformed

Discus and support The timestamp signature and/or certificate could not be verified or is malformed in Windows 10 News to solve the problem; [ATTACH]While installing a .NET Framework on your computer, if you get The timestamp signature and/or certificate could not be verified or is malformed... Discussion in 'Windows 10 News' started by WinClub, Sep 15, 2021.

  1. WinClub New Member

    The timestamp signature and/or certificate could not be verified or is malformed


    The timestamp signature and/or certificate could not be verified or is malformed timestamp-signature-certificate-could-not-be-verified-3.jpg
    While installing a .NET Framework on your computer, if you get The timestamp signature and/or certificate could not be verified or is malformed error, you can check out these solutions to get rid of this problem. It may also happen while opening or updating some third-party apps on your computer. Either way, you can follow these tips […]

    This article The timestamp signature and/or certificate could not be verified or is malformed first appeared on TheWindowsClub.com.

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    WinClub, Sep 15, 2021
    #1
  2. NanLund2 Win User

    DISM.exe /0nline /cleanup-image /restorehealth

    I went through the steps to fix the problem indicated by this code and got to the end where it indicated the problem had been resolved.

    I still get the message "the timestamp signature and/or certificate could not be verified or is malformed" when I try to download gotomeeting, which is where I started this process. Help???
     
    NanLund2, Sep 15, 2021
    #2
  3. Signing issue :"One of the countersignatures is not valid. the file may have been altered

    Hi,

    I am facing signing issue for few driver/sys files Windows 2016, timestamp signature verification failed. showing message

    "One of the countersignatures is not valid. the file may have been altered" and

    "the timestamp signature and or certificate could not be verified or is malformed"

    Same Sys files copied to other 2012R2 system, certificate shows valid timestamp.

    I have tried installing certificate to current user, checked with signtool verify /pa to pull certificate.

    Current system in workgroup, tried with adding system to domain but didnt solved issue.

    Any help appriciated.

    Thanks,

    Sachin
     
    Shinde SachinLA, Sep 15, 2021
    #3
  4. Le Boule Win User

    The timestamp signature and/or certificate could not be verified or is malformed

    Expired Microsoft Timestamp Root Certificate

    Suggest you try the Technet Forum if you need assistance with a server issue.

    Technet forums

    Regards...
     
    Le Boule, Sep 15, 2021
    #4
Thema:

The timestamp signature and/or certificate could not be verified or is malformed

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