UBB.threads PHP Forum Software Community Forums UBB.threads 7 Installation and Upgrade Support Captcha image missing

can you give me one file that has the problem?
I'm not a PHP expert, but if I can see the problem I will try to fix it.

Also, is there any way to try out captcha on my server (like a stand alone program), so I can rule out a problem with GD2 on my server?
ps: I'm using Filezila as my FTP program.
and sending .PHP as ASCII and .JPG as BIN