Fixes "untrusted certificate" or "unknown issuer" errors in Internet Explorer when visiting modern websites secured with SHA-256 SSL certificates. Technical Details
It is important to note that hotfix KB968730 completely supersedes KB938397. Therefore, if you install KB968730 on a Windows Server 2003 SP2 system, the older KB938397 is no longer necessary. windows xp kb 968730 x86 ptb hotfix
: The hotfix primarily updates the crypt32.dll file (and sometimes wcrypt32.dll ) to allow the OS to process the SHA-2 hashing algorithm. Fixes "untrusted certificate" or "unknown issuer" errors in
Fixes "untrusted certificate" or "unknown issuer" errors in Internet Explorer when visiting modern websites secured with SHA-256 SSL certificates. Technical Details
It is important to note that hotfix KB968730 completely supersedes KB938397. Therefore, if you install KB968730 on a Windows Server 2003 SP2 system, the older KB938397 is no longer necessary.
: The hotfix primarily updates the crypt32.dll file (and sometimes wcrypt32.dll ) to allow the OS to process the SHA-2 hashing algorithm.