If Keyframe MP is "broken" by not opening or freezing on startup:
If you are using a key generator (keygen) or a patched .exe file, Keyframe MP might detect this and block the software.
Even if a crack installs, the software is likely to be profoundly unstable. By modifying the core program, the crack introduces bugs that don't exist in the legitimate version. Users report crashes during simple actions like scrubbing through a timeline or when trying to export a video using a function that requires ffmpeg. The new, legitimate version, Keyframe MPX, was built with a "new decoding and rendering engine" specifically to fix crashes and improve performance—benefits that a cracked, old version will never receive.