FMXRTL 2.0.14 For Tokyo 💪 Download FMXRTL 2.0.14 For Tokyo FireMonkey's TBitmap was not thread-safe prior to 10.2 Tokyo, it could not be used safely outside of the main UI thread. But that was changed in Tokyo, which you say you are using. Which CreateBitmapFromFile() function are you using exactly I don't see any such function in FMX....