How to disable silverlight "Do you want to allow this Web application to access your clipboard?" popup window, when tyring to right click and paste?

Hi,
When im trying to right click and choose paste. im getting a dialog box.. "Do you want to allow this Web application to access your clipboard?". How do i disable it for all users?
i found that, we can able to disable it for only one user, if we create a 'Clipboard' DWORD key with value '11' in the registry path: HKEY_USERS -> S-1-5-21-159.. -> Software -> AppDataFlow -> Software -> Microsoft ->
Silverlight -> [website url]
Even, i tried
Internet Options> Security> Internet Zone> Custom Level> Scripting section> Allow Programmatic clipboard access> Enable. But its not working.
Please let me know how to disable that popup for all users?

It works fine on my machine here which is win7 pro.
Your options are limited
You know one way - the registry entry.
The option:
Internet Options> Security> Internet Zone> Custom Level> Scripting section> Allow Programmatic clipboard access> Enable.
Has been changed by later versions of Internet explorer tightening security.
I guess you could try:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
Bit difficult for me to test at the moment, but that could work.
If that's no good.
The alternative is to give the app elevated trust.
This is a PITA because you have to obtain a security cert and sign the xap with it.
They expire as well and you then need to buy a new one.
Costs several hundred quid a year ( this is one time cost rather than per user ).
Hope that helps.
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