Solved! Xtool X100 Pro2 “System File Error!” Issue

The Xtool X100 Pro2 key programmer is showing “System File Error!!!” What’s the problem? Any ideas?
Please format the memory card to re-update.

1. Connect X100 Pro2 to a Windows PC, find out the SD card to format;
2. Log in Upgrade Tool, click “Upgrade”.

Xtool X100 Pro2 Upgrade Tool Download:

Please DO NOT press any buttons or disconnect the device during the upgrade.
Please unplug the USB cable to re-connect with the device when the upgrade is completed.

If you’re the first time to use X100 Pro2 Upgrade Tool, it may help:
Solved! Xtool X100 Pro2 White Screen after “No application” Formatting