dist/install/windows-pg-standalone/ayanovaserver.iss

@@ -69,3 +69,19 @@ Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\launcher\{#MyAppLauncherExe
 [Run]
 Filename: "{app}\launcher\{#MyAppLauncherExeName}"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent
 
+[Code]
+procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
+begin
+  if CurUninstallStep = usPostUninstall then
+  begin
+    if MsgBox('Do you want to delete the AyaNova database?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then
+    //this is the msg that will display after uninstall,change is as you prefer 
+    begin
+      if MsgBox('Are you sure you want to **PERMANENTLY** delete the database files?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then
+      //this is the msg that will display after uninstall,change is as you prefer 
+      begin
+          DelTree(ExpandConstant('{commonappdata}\ayanova'), True, True, True);
+      end;
+    end;
+  end;
+end;