The latest retail patch is v1.02 (you must install v1.01 first). The German version has a separate v1.02 patch (this includes v1.01).
Improves stability on 64 bit systems with at least 3GB RAM by allowing the application to use more than 2GB RAM. Resolves the "Out of Memory" errors.
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Because Steampipe update converted a game to a new format, certain glitches may appear - most common of which is Black Screen on startup.
There may be multiple reasons that can be causing this error. Below are few possible solutions of this problem.
-w XXX -h YYY
-w 1400 -h 900
Re-install all drivers, if this does not work re-install the game, reformatting or playing on a different computer has been known to fix these issues. A possible last resort: buy a new graphics card, the Nvidia 6xxx series and lower video cards have been know to not work well with the game, lower tier Nvidia 7xxx, 8xxx and 9xxx series GPUs do not work well with the game. Cards that do work are the 7800 and 7900 7 series cards. the following are 8 series cards that run the game well; the 8800gt, gts, gtx and Ultra variants. the following 9 series cards will run the game fine the 9800GT, GTX, GTX+ and GX2 variants.
Audio: Most issues have been taken care of as of the latest patches, which the Steam version will deliver automatically. View patches for information on updating manually.
Gameplay: all bugs can be fixed by starting from last save (before entering the area where you are having trouble), restarting the level or restarting the game.
When playing the singleplayer portion of the game, the game itself does not automatically execute the autoexec.cfg file (a file that holds console commands), but it does for the multiplayer part.
Since the game is using obsolete version of Source engine, the way you set language is by changing the language of Steam itself.