KB968730 was never released via standard Windows Update; it was categorized as a .
: The "PTB" in your query refers to the Portuguese (Brazil) localized version of the update. windows xp kb 968730 x86 ptb hotfix
KB968730 is a Microsoft hotfix for Windows XP (32-bit/x86) addressing issues reported in specific configurations. The hotfix package for PTB (Portuguese-Brazilian) localizations provides localized binaries and instructions for Portuguese-speaking users in Brazil. KB968730 was never released via standard Windows Update;
: Resolves the issue where Windows XP SP3 or Server 2003 SP2 clients cannot obtain or validate certificates from a CA configured with SHA2-256 or higher encryption. windows xp kb 968730 x86 ptb hotfix