Microsoft’s Knowledge Base (KB) Articles help support & troubleshoot many Internet Explorer 9 problems.
INSTALLATION / SETUP PROBLEMS & SOLUTIONS:Method 1: Make sure minimum Operating System requirements are met
Method 2: Try alternative Internet Explorer 9 installer
- Method 3: KB2399238 – Make sure Internet Explorer 9 prerequisites are installed (Run & Complete All Microsoft Updates)Method 4: Make sure installation of other updates or restart is not pending (Run & Complete All Microsoft Updates)Method 5: Temporarily disable antispyware and antivirus software.KB922774 – The Setup program does not respond when you deploy a ClickOnce application over the Internet or over an intranet and a user clicks Install or Run on a published page in Internet Explorer 9.SOLUTION #1: Upgrade to Microsoft .NET Framework 3.5 Service Pack 1 (SP1)SOLUTION #2: Upgrade to Microsoft .NET Framework 4.0GENERAL MSIE 9 PROBLEMS & SOLUTIONS:SOLUTION: Internet Explorer 9 has become corrupted. Uninstall & Reinstall Internet Explorer 9SOLUTION: Enable Compatibility ViewKB2396587 – Internet Explorer 9 is no longer installed after you upgrade from Windows Vista to Windows 7SOLUTION: When upgrading from Windows Vista to Windows 7, Internet Explorer 9 is replaced with Windows Internet Explorer 8. Simply Reinstall Internet Explorer 9.SOLUTION: Lots of things to try.KB948140 – An Internet Explorer 9 browser window does not open on an alternative desktop on a Windows Vista-based computer.SOLUTION?: This issue occurs because protected mode has one separate IEUser.exe broker process. To work around this issue, start Internet Explorer 9 on the default desktop.SOLUTION?: NONE! While .WPAD and .PAC Automatic Configuration file types are still supported, the Internet Explorer Administration Kit (IEAK) no longer supports customizing .INS, .JS, or .JVS file types.KB930268 – You cannot visit a Web site if you pass the address through an ActiveX control that accepts extended characters as parameters in Internet Explorer 7SOLUTION?: NONE, rewrite the website!SOLUTION?: Many useful things to try!KB949197 – Certain characters in a file name may be converted to underscores when a user downloads a file by using Windows Internet Explorer 9SOLUTION?: Do not use "Content-Disposition: Attachment; filename=" HTTP header.KB934817 – A script that uses the execCommand function together with the SaveAs command does not save a Web page in Internet Explorer 9 on a Windows Vista-based computer.SOLUTION? Include the URL of the Web page that you want to save by using a script in the Trusted Zones list in Internet Explorer 9.3RD PARTY PROBLEMS & SOLUTIONS:KB969057 – How to fix the Cooliris add-on and Internet Explorer 9 incompatibility which causes Internet Explorer 9 to stop responding or crash.SOLUTION?: Disable the add-on, or update Cooliris.KB968136 – Incompatibility issues with Google Toolbar and Internet Explorer 9 will cause Internet Explorer 9 to stop responding or crash.SOLUTION?: Disable the add-on, or update the Google Toolbar.SOLUTION?: Disable the add-on, or update HP’s Smart Web Printing.SOLUTION?: Disable the add-on, or update the PDFCreator Toolbar.SOLUTION?: Disable the add-on, or update to Roxio’s Burn (formally DLA)KB2398082 – You experiences slow performance in Internet Explorer 9 (however, this issue does not occur if you view the webpage by using an earlier version of Internet Explorer, or when browsing some webpages with more complex graphics.)KB2404821 – Some webpages are not displayed correctly in Internet Explorer 9 Beta if your computer does not support Direct2DKB2396576 – Webpages may appear garbled or distorted and the colors may be displayed incorrectly in Internet Explorer 9SOLUTION?: Update to a video card that supports GPU hardware acceleration.