At long last, here's what I did:
In IE6:
Tools -> Internet Options -> Privacy.
Set Privacy Policy to Medium high.
Tools -> Internet Options -> Advanced.
Ticked:
Disable Script Debugging
Unticked:
Enable install on demand (Internet Explorer)
Enable Install on demand (other)
Enable Third Party Browser Extensions (requires restart)
Use HTTP 1.1
Use http 1.1 through proxy connections
Enable Profile Assistant
Tools -> Internet Options -> Security -> Restricted Sites
Click "Custom Level"
Download signed activeX controls: Disable
Download unsigned activex controls: disable
Initialise and script activex controls not marked as safe: disable
Run activex controls and plugins: disable
Script activex controls marked safe for scripting: disable
File download: disable
Font download: disable
Java permissions: disable java
Access data sources across domains: disable.
Allow meta refresh: disable
Display mixed content: disable
Don't prompt for client certificate selection when no certificate exists: disable
Drag and drop or copy and paste files: prompt
Installation of desktop items: disable.
Launching of programs in an iframe: disable
navigate subframes across different domains: disable
Software channel permissions: high safety
Submit nonencrypted form data: prompt
Userdata persistence: disable
Active Scripting: disable
Allow paste operations via script: Disable
Scripting of Java applets: disable
Logon: prompt for username and password.
OK it all and reboot.
John
In IE6:
Tools -> Internet Options -> Privacy.
Set Privacy Policy to Medium high.
Tools -> Internet Options -> Advanced.
Ticked:
Disable Script Debugging
Unticked:
Enable install on demand (Internet Explorer)
Enable Install on demand (other)
Enable Third Party Browser Extensions (requires restart)
Use HTTP 1.1
Use http 1.1 through proxy connections
Enable Profile Assistant
Tools -> Internet Options -> Security -> Restricted Sites
Click "Custom Level"
Download signed activeX controls: Disable
Download unsigned activex controls: disable
Initialise and script activex controls not marked as safe: disable
Run activex controls and plugins: disable
Script activex controls marked safe for scripting: disable
File download: disable
Font download: disable
Java permissions: disable java
Access data sources across domains: disable.
Allow meta refresh: disable
Display mixed content: disable
Don't prompt for client certificate selection when no certificate exists: disable
Drag and drop or copy and paste files: prompt
Installation of desktop items: disable.
Launching of programs in an iframe: disable
navigate subframes across different domains: disable
Software channel permissions: high safety
Submit nonencrypted form data: prompt
Userdata persistence: disable
Active Scripting: disable
Allow paste operations via script: Disable
Scripting of Java applets: disable
Logon: prompt for username and password.
OK it all and reboot.
John