Hey, when I try to run steam, since some days, I'm getting the following error: Installing breakpad exception handler for appid(steam)/version(1393366296_client) Installing breakpad exception handler for appid(steam)/version(1393366296_client) OpenGL GLX extension not supported by displayAssert( Assertion Failed: Fatal Error: OpenGL GLX extension not supported by display ):/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/steamUI/Main.cpp:286 Installing breakpad exception handler for appid(steam)/version(1393366296_client) Uploading dump (out-of-process) [proxy ''] /tmp/dumps/assert_20140305130718_4.dmp Finished uploading minidump (out-of-process): success = yes response: CrashID=bp-d5f13248-7775-4252-9eea-d1b472140305 Can anyone help me solving this? Thanks in advance. Heiko