Many users of Spybot (Immunize function) or SpywareBlaster or other programs
that add a large number of entries to Internet Explorer restricted sites
list experienced a severe performance problem in Windows Mail after running
the KB931768 critical update.

The following registry change resulted in an immediate return to normal
speed for a number of test cases. The following can be pasted to a .reg
file and run. Fix any word wrap so that the text from "[" to"]" is one
line.


Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet
Explorer\MAIN\FeatureControl\FEATURE_MIME_SNIFFING]
"winmail.exe"=dword:00000001