UbiSoft have released a fourth Rainbow Six Vegas patch, version 1.04 is a 95.5mb download and fixes the issues listed below.

* Fixed PunkBuster client getting kicked after a change of map on the PunkBuster dedicated server.
* Fixed a problem when trying to re-join a server that the user has just left.
* Added all previously non-translated sections to the Engine localized files.
* Fixed looping sound issues in Multiplayer maps