diff --git a/main.pas b/main.pas
index 1c048f3..7062834 100644
--- a/main.pas
+++ b/main.pas
@@ -7587,13 +7587,13 @@ resourcestring
 const
   UPDATE_BATCH_FILE = 'hfs.update.bat';
   UPDATE_BATCH = 'START %0:s /WAIT "%1:s" -q'+CRLF
-    +'ping 127.0.0.1 -n 3 -w 1000> nul'+CRLF
-    +'DEL "%3:s'+PREVIOUS_VERSION+'"'+CRLF
-    +'%2:sMOVE "%1:s" "%3:s'+PREVIOUS_VERSION+'"'+CRLF
-    +'DEL "%1:s"'+CRLF
-    +'MOVE "%4:s" "%1:s"'+CRLF
+    +'ping 127.0.0.1 -n 3 -w 1000> nul'+CRLF // wait
+    +'DEL "%3:s'+PREVIOUS_VERSION+'"'+CRLF // previous backup
+    +'%2:sMOVE "%1:s" "%3:s'+PREVIOUS_VERSION+'"'+CRLF // new backup
+    +'DEL "%1:s"'+CRLF // too zealous?
+    +'MOVE "%4:s" "%1:s"'+CRLF // new becomes current
     +'START %0:s "%1:s"'+CRLF
-    +'DEL %%0'+CRLF;
+    +'DEL %%0'+CRLF; // remove self
 var
   size: integer;
   fn: string;
diff --git a/todo.txt b/todo.txt
index 4ca1060..292290d 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,3 +1,4 @@
+- update doesn't work without 'only 1 instance' (it's the -q)
 + replace shellExtDlg.gif with transparent png (english system)
 + expiring links
 * dismiss regexp lib http://docwiki.embarcadero.com/Libraries/Rio/en/System.RegularExpressions.TRegEx
diff --git a/utillib.pas b/utillib.pas
index 69d855e..c7e0a88 100644
--- a/utillib.pas
+++ b/utillib.pas
@@ -1212,14 +1212,8 @@ end;
 
 // exec but does not wait for the process to end
 function execNew(cmd:string):boolean;
-var
-  si: TStartupInfo;
-  pi: TProcessInformation;
 begin
-fillchar(si, sizeOf(si), 0);
-fillchar(pi, sizeOf(pi), 0);
-si.cb:=sizeOf(si);
-result:=createProcess(NIL,pchar(cmd),NIL,NIL,FALSE,0,NIL,NIL,si,pi)
+result:=32 < ShellExecute(0, nil, 'cmd.exe', pchar('/C '+cmd), nil, SW_SHOW);
 end; // execNew
 
 function addArray(var dst:TstringDynArray; src:array of string; where:integer=-1; srcOfs:integer=0; srcLn:integer=-1):integer;