simple but frustratiing problem

I made a walk cycle for a character named “walk”, but when I type the name of the action into the action actuator it won’t stay in the text box. As if it weren’t an action. I’ve tried making other actions but none if them will stay as an action. help would be nice, thanks.

-btw this is in 2.5

nvm, reinstalled blender and it worked just find, must have been a bug.

Usually you just misspelled the name.

You can start tipping with the leading letter <ctrl><tab> will fill in until it goes ambigous