I need help,

Help my gmod wont work :frowning: when i try to connect to any server this come up

Read the " "

Network: IP, mode MP, dedicated No, ports 27015 SV / 27005 CL
Connecting to…
" Client and Server product versions do not match "

Update your server and your client. To update your client simply close your game and relaunch from steam, to update your server use hldsupdatetool.