You'll want to work with a tech support specialist to ensure that your AV software is not interfering with Steam.
It may also be necessary to add exceptions for Steam in your AV configuration (for example, excluding Steam Library folders from live monitoring services).
$ steam Running Steam on ubuntu 16.10 64-bit STEAM_RUNTIME is enabled automatically /bin/bash: /home/jis/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/5: no version information available (required by /bin/bash) grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc grep: symbol lookup error: grep: undefined symbol: pcre_jit_stack_alloc Installing breakpad exception handler for appid(steam)/version(1476379980) lib GL error: unable to load driver: i965_lib GL error: driver pointer missing lib GL error: failed to load driver: i965 lib GL error: unable to load driver: i965_lib GL error: driver pointer missing lib GL error: failed to load driver: i965 lib GL error: unable to load driver: swrast_lib GL error: failed to load driver: swrast I updated my system to 16.10, then had to update Steam as stated in this message, which lists a forum thread provided by @Patrick Negus that unfortunately seems to no longer work.
Copy directories "Steam Apps" and "userdata" from i believe Move the saved directories to Home/.steam/Steam Edit the Steam script in /usr/games/ to add two lines before the last line starting with test: find $runtime -name libgcc_s.so* -delete find $runtime -name libxcb.so* -delete I am sure I got a couple of things wrong, please double-check as I am still new and going from memory.
You can then install new games into this Steam library folder or move already installed games there.
AV software hooks very deep into user systems and can affect disk and network operations which will cause issues with Steam.
Some games also use copy protection technology that can appear as malicious software to an AV scanner, resulting in potential false-positive alerts.
The Steam installer can be downloaded here: ( and reinstalled to the same location where it is already installed.
This may fix potential issues with Steam client and service files. It can be very helpful to test the issue by installing on an alternate hard drive.
Steam - Add new Library folder If the error is still occurring after following the fixes outlined above, it is possible that something outside of Steam is responsible.