Steam has just released a new update for both Counter-Strike Source and the original Condition Zero. Take a look:
Be sure to restart Steam. Happy fragging!
Counter-Strike and Condition Zero
# Fixed add current server button layout in the serverbrowser
# Don't allow the '&' character in usernames
# Prevented empty chat spam
# Fix for upscaling decals in software renderer
# Duplicated the in-game advertisements from Counter-Strike in Counter-Strike: Condition Zero
# Fixed add current server button layout in the serverbrowser
# Don't allow the '&' character in usernames
# Prevented empty chat spam
# Fix for upscaling decals in software renderer
# Duplicated the in-game advertisements from Counter-Strike in Counter-Strike: Condition Zero
Be sure to restart Steam. Happy fragging!