[Habetdin]

cleric1985_n,

Код:

procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
var
 ResultCode: Integer;
begin
 if CurUninstallStep = usAppMutexCheck then
   if Exec(ExpandConstant('{app}\file1.exe'), '', '', SW_SHOW, ewWaitUntilTerminated, ResultCode) then
    Exec(ExpandConstant('{app}\file2.exe'), '', '', SW_SHOW, ewWaitUntilTerminated, ResultCode)
end;