Perhaps you installed the wrong patch. The link for the latest patch is http://www.ipacs.de/download/afpd1110721.exe If you have used the wrong patch, you would have to uninstall and reinstall again

How to find the tm.log file.

Go to:

My Computer
Local Disc C
Program Files
IPACS
Aerofly Professional Deluxe
tm.log File (copy this one and post it here)

You may open the file with a text editor like word or notepad. Just copy and paste the entire content into your post. You could see other threads in this forum on what the contents of the tm.log file looks like