Play with registry lor. For most softwares, very obvious
one.
Just go to HKEY_CURRENT_USER\SOFTWARE\XXXXXX, where XXXXXX is the
software name. For example, you installed a Gamehouse game. All
games will be listed here. Just find the game that expired, delete
it, restart computer and reinstall again.
Don't always work, if it doesn't, get the cracks. 
