Windows 7 freezesWindows Live mail

[iansamp]

Hi I have upgraded to Windows 7 and installed windows live mail. All works Ok untill I get a Video file attachment in an email. If I click on the attachment live mail stops working (freezes completely) I have to close WL mail down in task manager and restart it, If I drag the attachment out of mail and onto the desk top it works fine??? any one know how to fix this. Thanks Ian