The khlb1.exe file you have requested: Tools and Utilities / Misc / K-HL Mapcycle - 263.41kb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
K-HL is a little Utility for Valve Software's Best Seller Game : Half-Life. K-HL Generate the "mapcycle.txt" file, a very useful features when playing HL with a LAN or on the Internet.