whenever i try to run my game in a7 it says trial version expired and then closes lite-c. I wait a little but my game doesnt pop up. Any thoughts??

thats not a bug but a feature
You are using the trail version of Gamestudio, which expires after 30 days.
Lite-C is available for free (including SED), same with the MED.
Maybe you could use that?
Or buy a full version?

or do you have a full version and your *.key file placed in the GStudio7 folder?