Today we have version v0.3c of Q3Rally for you. This release is a full release. If you reinstall Q3Rally you only need this file.
If you have installed Q3Rally v0.3b, you have to do a new installation. You can keep the config files of the old installation.
The most important change is the fix of the bug in Racing Mode, which messed up the placements after the race.
The game files are availeble on the usual lacations here and on the website.