Hi,
Open notepad and then copy and paste the bolded lines below into it. Go to File > save as and name the file fixes.bat, change the Save as type to all files and save it to your desktop.
@ECHO OFF
DEL /Q c:\WINDOWS\system32\drivers\volsnap_old.sys
DEL %0
Double-click on fixes.bat file to execute it. That should take care of the file