What you need:
-main.exe
-ollydbg
-searching skills in olly ( not really but you can`t be that noob )
Main Used by me : 1.03.11 JPN (1.03k)
Here we go.
1. Open your main.exe in ollydbg.
2. Search the following offset(see photo below)
Right click -> Search for -> Sequence of commands
PHP Code:
PUSH 10
AND ECX,3
http://i.imgur.com/ec71vrh.jpg
3. Change Value (see photo below)
http://i.imgur.com/2C4S8mH.jpg
4.Done , enjoy your printscreen button working properly and not pressing it twice
or easier:
PHP Code:
unsigned char FixPrint[] = {0x6A,0x2C};
memcpy((DWORD*)0x00601C25,FixPrint,sizeof(FixPrint)); //1.03k OFFSET