Prevent multiple instances of (un)installer.
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063c53017f
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@ -247,12 +247,24 @@ LangString LAMEXP_LANG_LOCKEDLIST_COLHDR2 ${LANG_GERMAN} "Prozess"
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Function .onInit
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Function .onInit
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${If} ${UAC_IsInnerInstance}
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${If} ${UAC_IsInnerInstance}
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!insertmacro MUI_LANGDLL_DISPLAY
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!insertmacro MUI_LANGDLL_DISPLAY
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${Else}
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System::Call 'kernel32::CreateMutexA(i 0, i 0, t "{2B3D1EBF-B3B6-4E93-92B9-6853029A7162}") i .r1 ?e'
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Pop $0
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StrCmp $0 0 +3
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MessageBox MB_ICONSTOP|MB_TOPMOST "Sorry, the installer is already running!"
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Quit
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${EndIf}
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${EndIf}
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FunctionEnd
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FunctionEnd
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Function un.onInit
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Function un.onInit
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${If} ${UAC_IsInnerInstance}
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${If} ${UAC_IsInnerInstance}
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!insertmacro MUI_LANGDLL_DISPLAY
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!insertmacro MUI_LANGDLL_DISPLAY
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${Else}
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System::Call 'kernel32::CreateMutexA(i 0, i 0, t "{2B3D1EBF-B3B6-4E93-92B9-6853029A7162}") i .r1 ?e'
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Pop $0
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StrCmp $0 0 +3
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MessageBox MB_ICONSTOP|MB_TOPMOST "Sorry, the un-installer is already running!"
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Quit
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${EndIf}
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${EndIf}
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FunctionEnd
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FunctionEnd
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