Following a frustrating SSSLLLOOOWWW-down of IE over the last week, I repaired IE6 on my PC today. Unfortunately, Visual Studio 2005 was left broken. Whenever I tried to start it a dialog was displayed which stated:
Visual Studio requires Internet Exporer 6.0 or greater to run properly. Please re-install Internet Explorer 6.0.
As usual, the dialog had a cute little “OK” button. However, as IE6 clearly is installed on my PC, the situation was decidedly not OK.
Fortunately, RegMon came to the rescue once again. I quickly discovered that the problem was that a registry key had not been written properly. The key is:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Version
I updated the contents of this key, and the problem went away. I’m happy again.
REFERENCES
UPDATE 1
I followed this hack by a re-install of IE6, but even then the original problem remains – IE is still very slow on my PC. I will need to do some more work on this.
UPDATE 2
I now have a solution to the slowdown.
All Wrong 
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Fastidious answers in return of this matter with real arguments and telling all concerning that.