Close running version of program before installing update (Inno Setup)

user_332617 0
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This should be simple, I need to stop any previous version of my program from running when the installer starts.

Most people suggested making an exe which does this and calling it before Inno Setup starts. I created an exe using AutoIt which kills all processes of my program. The problem is I don't know how to get Inno Setup to call it before it installs anything.

How do I call an executable before installing files?

Alternatively, if I can just detect if a program is running and tell the user to close it, that would work too.

inno-setup installation
10 Answers

I have had success using WMIC :

procedure CurStepChanged(CurStep: TSetupStep);
var
    ResultCode: Integer;
    wmicommand: string;
begin
    // before installing any file
    if CurStep = ssInstall then
    begin
        wmicommand := ExpandConstant('PROCESS WHERE "ExecutablePath like ''{app}\%%''" DELETE');

        // WMIC "like" expects escaped backslashes
        StringChangeEx(wmicommand, '\', '\\', True);

        // you can/should add an "if" around this and check the ResultCode
        Exec('WMIC', wmicommand, '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
    end;
end;

You can also do it in the InitializeSetup but if you do, keep in mind you don't have yet access to the {app} constant. My program doesn't ask for install path, but yours might.

user_67760

Add CloseApplications=true in [Setup] section.

If set to yes or force and Setup is not running silently, Setup will pause on the Preparing to Install wizard page if it detects applications using files that need to be updated by the [Files] or [InstallDelete] section, showing the applications and asking the user if Setup should automatically close the applications and restart them after the installation has completed.

user_32046730
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