The WoW-18.104.22.16837-to-22.214.171.12483-enUS-patch.exe file you have requested: Official Patches / v191 / World of Warcraft v1.9.0 to v1.9.1 US Patch - 1.4mb is not available. Perhaps try browsing all files for the game World of Warcraft and upload any files you want to share or are missing. This is the only information we could locate:
World of Warcraft Client Patch 1.9.1General Various disconnection issues have been fixed. PvP & Battlegrounds You should no longer be able to cast Divine Intervention on a flag carrier in Warsong Gulch. Druid Heart of the Wild - This v1.9.1 patch addresses a number of minor problems, class tweaks, UI changes, including a bug that made searching in auction houses to return blank pages.