A lot of might be or might not be having problems with the new released TN-X for Tekken2 US. Well I got a quick fix for you..
Installation:
You must place the “TNV” folder and the Tekken2 game save in the PSAVEDATA /examplexxx on the PC. Remember you must put both folders in PSAVEDATA/examplexxxxx on the PC then transfer via cma.
For those who have problems with TN-X and Tekken2 US, try the following files:
Download Fix: TN-X Tekken2 Us.
Run TN-X on Tekken 2
Starts Survival Mode, select Jun and loses 1st match.
Usually, you can now enjoy the new TN-X
To install PS1 games you need to have TN-V or ARK to install PS1 games in to the PSP / GAME directory.