Hi!
If v1.3 worked good and expired, than no need to reinstall, just stop z2 R2PC Server on your PC, than delete C:\Program Files\z2 Remote2PC\*.ini files and restart z2 R2PC Server!
After this you can use it again.
I think that we need only one batch file which delete all of the .ini file at windows startup before run z2 R2PC Server!

[maxkonrad]

From my experience when expired, you don't have to delete all .ini files. All you need is stop R2PC Server on your PC, than delete "z2DevACL.ini" only from C:\Program Files\z2 Remote2PC\ and then restart z2 R2PC Server.

Works for me:)