dev mod

since today dev mod does not work, when opened it closes automatically

 

Move (or delete) the UserData folder from the ModDev folder and restart rF2.

 

I moved all folders, uninstall and reinstall rf2, but nothing works.

 

Another post suggested turning off plugins(except Steam plugin)

 

try what is done here since you have re-installed, last post

https://forum.studio-397.com/index.php?threads/fresh-windows-install-fresh-rf2-doesnt-start.63123/

 

Could it help?
https://forum.studio-397.com/index.php?threads/problem-devmod.61445/#post-964288

 

in my case it does not work the dev mode does not start, i click in dev mode but nothing happens

 

I have formatted my pc 2 times, i have install another operating system but the problem persists

 

I suppose tha you have checked this, but just in case.
Have you config the Devmode video settings in the launcher?
Have you created a new player profile, or you have copied your old player folder to the new instalation? (this can provoke this problem)
Have you launched the devmode before copying your files to the devmode to check if this works without content? (except Joesville and the Skip barber)
Do you have in any folder the d3d9.dll?
Have you opted out all betas?
Are you forcing the 32 bits mode? (i don't know it the developer works in 32 bits)

Those are the things that come to my mind

 

Your answer is here -> https://forum.studio-397.com/index.php?threads/dev-mode-will-not-start.62314/#post-976261