I got this program i wrote for crackme but same code in masm works but not in fasm i can't find out why, tried debug it but can't figure it out.

problem is that on line 293 the SetDlgItemText it returns ERROR_INVALID_HANDLE in fasm but not in masm, tried changing the code still get's the error.

anyone finds the error i more than happy to know.

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thx that did it, wierd thing is i debugged it alot and handle to window was right what i checked, i noticed that sometimes GetUserName complains about to small buffer that's why i used two dwords instead.

thx alot for help!