but i feel no body here beliefe me that i don't have mq4 file..
Ignored
I believe you do not have the mq4 file. That is the problem. It does not look like you are the legal owner of the source code. Just because it was posted on a public forum does not mean everyone has the right to decompile it. Some people probably will that is their choice. If the original author wanted to give you the source code he would have posted the source code. Since there is an email address that pops up on the screen when you attach the EA I think it might be a demo that was posted for promotional purposes. You could email the author to find out for sure. I don't think anyone in this forum should offer to decompile software.