Where is the crash log files?

You can find the "crashlog.txt" and "crash.dmp" these two crash log files in the following place depending on the system you are running:

'C:\Users\[YourName]\AppData\Local\Foxit Reader' or

'C:\Users\[YourName]\AppData\Local\Foxit PDF Editor'

Note: The log files can be generated into the above folder only when you are in administrator mode.