I found that when I have installed latest patches of espatch1 (176) and mwav (9.8.
![Cool 8)](./images/smilies/icon_cool.gif)
"4dhmvefv.sys"
The above removed manually then the "autorun.inf and 1234" folder deleted from the pendrives. please check it once again and update the patch.
Regards
VBR SARMA
09866039592