mayPol
6th December 2006 16:01 UTC

How to run a single setup when clicking on the setup exe file few times
Hi,

I created a setup file, called mySetup.exe.

When clicking on this setup, the setup dialog opens. If clicking again on the setup, another dialog opens. How can I make that only one setup will run in a current moment ?

Thanks,
May

onad
6th December 2006 16:23 UTC

Function .onInit

;Allow only one installer instance
System::Call 'kernel32::CreateMutexA(i 0, i 0, t "5C00D2E5-758B-4F49-A0BB-03E596E0B470") i .r1 ?e'
Pop $R0
StrCmp $R0 0 DoRunInstall
Abort
DoRunInstall:

...

mayPol
6th December 2006 16:28 UTC

Thanks!!!

onad
6th December 2006 16:32 UTC

NOTE:
I've created the GUID in the example for you, so I know it is quite unique ;) and will not criple other installers...