How can I fix this 'MimeDetect.GetExtension' problem?

File won't download from web site because of this error.

[HyperGeek]

What does this mean and how can I fix it?

Object doesn't support this property or method: 'MimeDetect.GetExtension'

[DaveAtIFG]

I've never encountered this error... Does anyone have any ideas on this one?

[bcolflesh]

Google Groups:

[groups.google.com...]

1. Update scripting engine
2. Check popup or firewall settings