Half Life 1 bug? Menu only show some servers instead of all possibilites

half-life

after playing Half Life 1 online for a while and then restarting, this is what my menu looks like:

enter image description here

All the elements load an online server, instead of doing what they are supposed to (for example, Find Servers is supposed to open a window where you can choose servers).

Is this a bug? How to get it back to normal?

Best Answer

It looks like I fixed it.

The problem seems to have been the file Half-Life\valve\resource\GameMenu.res which got overwritten (probably a bug) in some way.

Reinstalling the default GameMenu.res fixed the problem.