You've done the upgrade to Internet Explorer to version 8, but you see a sharp slowdown when opening the browser and the level of the tabs (see crash the browser). All suspected infection is excluded, there is a procedure to address this problem.
Where does this slowdown
It seems that this latest version of IE has its own system of protection against malicious sites. As a result, there would be conflicts when changing the hosts file (what some anti-spyware to protect your PC).
This would also be a file system "badly stated.
In any case, any pending updates from Microsoft to resolve these problems, here is the way forward.
Close your browser and all applications before you proceed throughout the manipulation.
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