This problem usually occurs because of an outdated or disabled master server built into your installation. When the server goes offline or the MasterServer.vdf file becomes corrupted, the search tab stops displaying available sites. Rather than manually searching for new configuration files and editing system folders, it is much easier and more reliable to install a ready-made, high-quality client. Visit https://csget.me/ to download a verified CS 1.6 build with a pre-integrated, up-to-date master server. This build consistently finds thousands of active servers with low ping, and it has built-in protection that will prevent malicious scripts from compromising your server list in the future. Do you usually search for new servers through the “”Internet”” tab in the game or connect using a direct IP address?