Resolving "MSIMN caused an invalid page fault in module "unknown"" in Outlook Express
There are many realistic cases, which will illustrate the above problem. For example, consider the following one. Suppose you use Outlook Express to send and receive e-mail messages for business and personal purposes. Then suddenly one day, you observe that when you open Outlook Express, create a new e-mail message, and try to send it, the operation cannot be performed as expected. Additionally, you receive an error message that reads as below:
"MSIMN caused an invalid page fault in module "unknown""
Such situations can be troublesome if the Outlook Express message folders contain your most important data.
Cause
The above problems is most likely to occur if folders.dbx file is either corrupted or missing. Another reason can be that the file is set to read-only.
Solution
To isolate the given behavior, you either need to un-check the read-only attribute or rename the file according to the issue in place. For this, follow the below steps:
(1) Click Start > Find (or Search) > All Files and Folders.
(2) Type 'folders.dbx' in the named box.
(3) Right-click the file, click 'Properties' and un-check the read-only option or click 'Rename' and then type 'folders.old'.
(4) Start Outlook Express to create a new folders.dbx file.
In case, other folders show corruption symptoms, you need to perform the similar steps, as above for those folders. But to repair them and extract the data, the solution is to use a DBX Repair Tool. These solutions are easy-to-use products for repairing corrupted *.dbx files.
Stellar Phoenix Outlook Express Recovery is a high-end tool with strong competency to repair corrupted *.dbx files and restore the e-mails in new *.dbx or *.eml file(s). This DBX Repair utility supports Outlook Express 5.x and Outlook Express 6.x.