In Windows 7,sometimes when may met annoying promt “do you want to run this file” when we were opening a file,like screenshot below:

If you want to disable “do you want to run this file” promt in Windows 7,pls follow below steps:
Method One
1.Launch Local Group Policy Editor ,and go to User Configuration/ Administrative Templates/ Windows Components/ Attachment Manager

2.In the right Pane,double-click Inclusion list for low file types ,select the Enable check box,and type in which type of files which you want to disable this kind of prompt,see screenshot

3.Click Apply then Ok,then close Local Group Policy Editor window.
4.Done. The same way,if you want to enable this prompt for these kinds of files,pls enable Do not preserve zone information in file attachments .(see screenshot of step 1)
Method Two
For Windows 7 home premium ,there is no Local Group Policy Editor ,so please download below registry file to tweak your registry to disable this annoying prompt.
Tip:Unzip this file,then double-click file Disableprompt.reg to disable “do you want to run this file” prompt.(You can right-click/Edit to customize the file types yourself) .
Thanks for the help, and this really works for my system.
Jake ^^^
Don’t you have anything better to do on Christmas day