mshtml.dll Error in IE8

1. Click 'Start,' 'All Programs' and 'Windows Update.' Alternatively, click 'Start,' type 'Windows Update' into the search field and press 'Enter.'
2. Click 'Check for Updates' and 'Install Updates.' Windows installs a security update designed to fix the problems associated with Mshtml.dll. If this does not solve the problem, continue to the next step.
3. Download Mshtml.dll from one of the several online dynamic link libraries. Save the file in the 'C:\Windows\System32' folder. Alternatively, you can save Mshtml.dll onto your desktop and drag it into the 'C:\Windows\System32' folder.
4. Click 'Start,' type 'cmd' into the search field and press 'Enter.' The Command Prompt opens.
5. Type the following command into the Command Prompt and press 'Enter.'regsvr32 mshtml.dll
6. Close the Command Prompt and restart your computer.