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function installation: Boolean;
begin
  Result := install.Checked; { only if this is checked }
function portable: Boolean;
begin
  Result := porta.Checked;
I need that association doesnt get called when I simply extract the portable version of my software.
function installation: Boolean;
begin
  Result := install.Checked; { only if this is checked }
Thanks for the idea :)
Instead of using ChangesAssociations directive, call SHChangeNotify WinAPI function conditionally from CurStepChanged(ssPostInstall):
[Code]
const
  SHCNE_ASSOCCHANGED = $08000000;
  SHCNF_IDLIST = $00000000;
procedure SHChangeNotify(wEventID: Integer; uFlags: Cardinal; dwItem1, dwItem2: Cardinal);
  external '[email protected] stdcall';
procedure CurStepChanged(CurStep: TSetupStep);
begin
  if CurStep = ssPostInstall then
  begin
    if installation then
    begin
      SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
This is what ChangesAssociations=yes internally does.
Partially based on: Inno Setup refresh desktop.
        
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