Script error message

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I cannot open a stationary that has a pop up tab. I receive a script error message like this:
 
Line:  115
Char:    1
Error:  Unspecified Error
Code:  O
Url:  mhtml:mid://0000006
 
System Specs:
 
XP Home SP2
Pentium IV
OE 6.0
MS Firewall
AdAware
Spybot
MS AntiSpyware
 
This problem just started. In the past I had no problem opening any of the posts.
 
Thanking you in advance
 
Bill