Not exactly sure what happened. I downloaded Hammer yesterday, and I was working on a map with it. I finished the general layout, and started working on the respawn rooms. I made the trigger box for the room, did the whole right-click -> properties thing to set it, placed the respawn points, placed the cabinet and did the right-click -> properties to set that, but when I made the trigger box for the respawn cabinet, I got a pop-up when I right-clicked(something about a six-sided geometry in the world; I didn't pay much attention, though I probably should have) When I closed the pop-up, I found I can't right click anymore. Not on the trigger box, not on the entities I already set the properties for, not on anything. I can right-click outside of hammer, so I know my mouse still works. I just can't access the properties for entities anymore. I tried resetting my source SDK configurations, but it didn't help. Anyone know how to get it back to normal? P.S., how do you make the sliding doors that are usually over the spawn entrance?