It may be the settings in Internet Exporer 7.

A/ Do you want to allow this webpage to access your clipboard?

B/ Cannot Log-In with Password?

IE7 clipboard:-

Follow these simple steps to disable the

A / "Do you want to allow this webpage to access your Clipboard?" pop-up alert:

1. Go to Tools -> Internet Options
2. Click Security tab, then click on 'Custom Level' button.
3. Scroll down to "Scripting" section
4. Under "Allow Programmatic clipboard access" option, select (tick) "Enable"
   
5. Click OK twice to exit from Internet Options
   
   

B/ "Cannot Log-In with Password"

New version internet explorer 7 has increased security,
which prevents log-in script working by default. To enable:

1. Go to Tools -> Internet Options
2. Click Security tab, then click on 'Custom Level' button.
3. Scroll down towards the bottom of the list:
   'Allow websites to prompt for information using scripted windows' - ENABLE this choice.
4. Click OK twice to exit from Internet Options.
   You may need to close IE7 and re-start it for the changes to take effect.