Reference number: CH000458

MSIMN caused an invalid page fault in module MSIMNUI.DLL.

Issue:

MSIMN caused an invalid page fault in module MSIMNUI.DLL.

Cause:

This issue is caused by an incompatibility of the file msimnui.dll and the version of comctl32.dll included with Internet Explorer 4.0

Solutions:

This issue can be resolved by any of the below methods.

Reinstall Outlook Express from The Internet Explorer download
Rename the *.idx, *.mbx and *.nch files
Delete registry keys from Microsoft Outlook

Reinstall Outlook Express from The Internet Explorer download

1. Click Start / Settings / Control Panel / Double-click Add/Remove programs
2. Click the Install/Uninstall tab / Click Microsoft Internet Explorer 4.0 in the list of installed programs.
3. Click Add a component to Internet Explorer and click ok
4. When prompted for "Active Setup is about to determine what Internet components are installed on your computer" click ok
5. Click the Microsoft Outlook Express check box to select it. Once you received the prompt "Microsoft Outlook Express is already installed. Do you want to reinstall this component?" click ok

Rename the *.idx, *.mbx and *.nch files

1. Click Start / Find / Files and folders.
2. In the named box, type *.idx
3. In the Look in location use the C: drive or the drive that Microsoft Outlook Express is installed.
4. Once the file is located, right-click the file and from the right-click menu, click rename, and rename the file to *.idd where * is the name of the file.

1. Click Start / Find / Files and folders.
2. In the named box, type *.mbx
3. In the Look in location use the C: drive or the drive that Microsoft Outlook Express is installed.
4. Once the file is located, right-click the file and from the right-click menu, click rename, and rename the file to *.mbd where * is the name of the file.

1. Click Start / Find / Files and folders.
2. In the named box, type *.nch
3. In the Look in location use the C: drive or the drive that Microsoft Outlook Express is installed.
4. Once the file is located, right-click the file and from the right-click menu, click rename, and rename the file to *.ncc where * is the name of the file.

Delete registry keys from Microsoft Outlook

Note: The below information steps the user through the system registry. If you are unfamiliar with the system registry and the potential risks you take by editing the registry, please see our registry page first.

Within the registry, delete the below two keys.

HKEY_LOCAL_MACHINE\SOTWARE\Microsoft\Outlook Express

HKEY_LOCAL_USER\Software\Microsoft\Outlook Express