Here’s a short feature piece on the Tekken 6 HD Texture Pack phenomenon.
Black Screen/Crash: Ensure your "Emulated PSP CPU Clock" is set to "Auto" (default) or use a specific speed-up cheat if on low-end hardware. tekken 6 hd texture pack best
This isn't a simple resolution bump. Native upscaling can only do so much when the original texture art looks like wet cardboard. The HD Texture Pack replaces those low-resolution, smeared assets with hand-touched, AI-upscaled, or completely redrawn versions. Here’s a short feature piece on the Tekken