WHQL digital signed driver(SHA256) is worked fine on WIN10, but warning at win7 sp1 with KB3033929 RRS feed

  • Question

  • I purchased an EV Code sign from symantec.

    1. double sign (main sha1 & add sha256) driver
    2. upload .cab file to ""
    3. after attestation, download the signed zip.
    4. try install this driver on win10 1709 - it's worked fine.
    5. try install this driver on win7 sp1 with KB3033929 - a red warning appear same as below

    "windows cannot verify the digital signature for this driver"

    6. I tried to re-sign my driver only use SHA-256 and do a test on win7 sp1 with KB3033929
    *sign(SHA-256) but no upload to WHQL : worked fine
    *sign(SHA-256) and upload to WHQL     : red warning appeared again.....

    I don't want to see this warning, 
    how to solve this problem? 
    is any should be attention?


    Tuesday, November 14, 2017 11:33 AM

All replies

  • Hi smallpig01,

    I hope you will insert screenshots writte in English. I can read Chinese characters.

    I recommend to install English language pack, if you are  a software developer, or an advanced user. I guess you're the latter.



    Tuesday, November 14, 2017 12:50 PM