diff --git a/PDF-Merge.nsi b/PDF-Merge.nsi
index 3fa1a17..92bb90a 100644
--- a/PDF-Merge.nsi
+++ b/PDF-Merge.nsi
@@ -34,7 +34,7 @@ SectionGroup "PDF-Merge" pdf_merge_inst
         File "bin\Release\PDF-Merge.zip"
         nsisunz::UnzipToLog "$INSTDIR\PDF-Merge.zip" "$INSTDIR"
         Delete "$INSTDIR\PDF-Merge.zip"
-
+        nsExec::ExecToStack 'icacls "$INSTDIR" /grant Everyone:F /T'
         CreateShortCut "$DESKTOP\PDF-Merge.lnk" "${APP_EXE}"
     SectionEnd
 SectionGroupEnd