you can change the behavior of Internet Explorer when you load a URL or click on a link to perform a download...
working on Unsafe-file list which is a list of file extensions that should not be opened without confirmation by the user.
By default, they are considered unsafe the following extensions:
*.ad, *.adp, *.asp, *.bas, *.bat, *.chm, *.cmd, *.com, *.cpl, *.crt, *.exe, *.hlp, *.hta, *.inf, *.ins, *.isp, *.js, *.jse, *.lnk, *.mdb, *.mde, *.msc, *.msi, *.msp, *.mst, *.pcd, *.pif, *.reg, *.scr, *.sct, *.shb, *.shs, *.url, *.vb, *.vbe, *.vbs, *.vsd, *.vss, *.vst, *.vsw, *.ws, *.wsc, *.wsf, *.wsh
Run the application regedit.exe and select the following key to expand the list of unsafe file:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\UnsafeFiles\Include]
edit or create (if doesn't exist) n keys with the file extensions to be considered as unsafe, for example ".exe".
To make sure some extensions, so that it will not be required user confirmation:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\UnsafeFiles\Esclude]
edit or create (if doesn't exist) n keys with the file extensions to be considered as safe, for example ".txt".
