Support is provided only through FlashFires discussion thread on XDA-Developers.com. Note that we do not engage in handholding beginners.
If the FlashFire user interface crashes, please attach the logs of the crash to your post. The SysLog app can help.
If you are experiencing an issue while FlashFire is flashing, please post FlashFires log file to pastebin, and include the link in your post. The log file can be found at /sdcard/FlashFire/lastlog on your device.
If you have questions, please read through this site first, and try searching for your answer in the XDA-Developers thread before asking it.
Changelogs can also be found in the XDA-Developers thread.