This issue may occur if the following conditions are true:
You install America Online (AOL) on your computer.
You use Outlook or Outlook Express as your default mail client.
You do one of the following:
You right-click a file, point to Send To, and then click Mail Recipient to send your file in an e-mail message. -or-
In Internet Explorer, on the File menu, you point to Send, and then click Page by E-mail, or click Link by E-mail, to send the Web page or link in an e-mail message.
When you install AOL on your computer, the AOL-installed file Mipmapi.dll may change existing Outlook and Outlook Express file associations and computer settings.
To resolve this issue, follow these steps:
Change the program that is associated with the MAPIMAIL file type to Outlook or to Outlook Express. To do so:
Click Start, and then click My Computer.
On the Tools menu, click Folder Options, and then click the File Types tab.
In Registered file types, click MAPIMAIL, click Change, click Select the program from a list, click OK, and then click Browse.
Locate and then click the file name of the program that you use as your default e-mail program (Outlook.exe for Outlook or Msimn.exe for Outlook Express), click Open, click OK, and then click Close.
Note To search for the file location, click Start, click Search, and then click All files and folders. In the All or part of the file name box, type the file name. In the Look in box, click the disk that you want to search, and then click Search.
Rename the AOL Mipmapi.dll file.
Click Start, click Search, and then click All files and folders.
In the All or part of the file name box, type Mipmapi.dll. In the Look in box, click the disk that you want to search, and then click Search.
In the Search Results window, right-click the file Mipmapi.dll, click Rename, type Mipmapi.old to rename the file, and then press ENTER.
Customize the Start menu to reassociate the Internet and e-mail programs that are on the Start menu with Internet Explorer and with Outlook or Outlook Express.
Right-click Start, and then click Properties.
On the Start Menu tab, click Start menu, and then click Customize.
On the General tab, in the Show on Start menu section, click to select the Internet check box. In the Internet list, click Internet Explorer.
In the Show on Start menu section, click to select the E-mail check box. In the E-mail list, click Microsoft Outlook, or Outlook Express (depending on the e-mail program that you use).
Click OK two times.
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
For additional information about how to change file associations in Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:
307859 HOW TO: Change File Associations in Windows XP