Usbser.sys – Pre Service Pack 3 Revision History for Windows Vista SP2, Windows Server 2008 SP2 and Windows Small Business Server 2008 (SBS 2008)
17-Nov-2009 – 6.0.6002.22269 – Usbser.sys – x86/x64 – http://support.microsoft.com/kb/925681 – When you try to download a file from the Internet by using Internet Explorer, the download stops responding
CPU Usage may increase to 100% while you are scrolling through a Web page in Microsoft Internet Explorer 8 or Microsoft Internet Explorer 9
This can occur if the “Use smooth scrolling” option is enabled in “Internet Options” by default the “Use smooth scrolling” setting is enabled in Internet Explorer 8 and Internet Explorer 9.
To resolve the issue you just need to disable/untick the “Use smooth scrolling” option in Internet Explorer by following the steps below
The Microsoft knowledge base article KB 885355 http://support.microsoft.com/kb/885355
You can download and trial the beta release of Adobe Flash Player 11.2 using the following link
http://labs.adobe.com/downloads/flashplayer11-2.html
This beta release introduces multi-threaded video decoding and Flash Player background updates
After installing Internet Explorer 9 on your Microsoft Exchange 2007 or Exchange 2010 mail servers you may have been noticing that the Exchange Management Console will refuse to close and simply state “You must close all dialog boxes before you can close Exchange Management Console”.
This has been a long running issue but has finally been resolved by the Microsoft Internet Explorer Developer Team.
Please note that this issue is now resolved by installing the latest cumulative security update for Internet Explorer, The fix was first included in security update 2618444 http://support.microsoft.com/kb/2618444
Information on the scope of this issue can still be found here KB 2624899 http://support.microsoft.com/kb/2624899
You can request the hotfix by visiting Microsofts website and searching for the following Knowledge Base article KB 2624899
Note: The hotfix is actually for Internet Explorer 9 rather than Microsoft Exchange but does actually resolve the issues with the Exchange Management Console not closing correctly.