Why is the starter fuse keep popping out after car has been sitting for a few hr on 2007 Chevrolet Impala

Car starter fuse keeps popping out after car has been sitting for a few hours

2 answers
Swap the fuse with another to see if it still happens.
Tighten the connectors a bit and use a triangle file to make a couple of horizontal cuts on each side of the fuse lugs, no need to go real deep with the cuts. Push it into it's slot tightly! If swapping with another fuse dont work that is.