When you upgrade Microsoft Windows 2000 to Microsoft Internet Explorer 5.5 or Internet Explorer 5.5 Service Pack 1 (SP1), Outlook Express is not upgraded to version 5.5 or Outlook Express 5.5 SP1.
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To resolve this issue, install Windows 2000 SP1, Internet Explorer 5.01 SP1, or Internet Explorer 5.01 Service Pack 2 (SP2), and then install Internet Explorer 5.5 or Internet Explorer 5.5 SP1.
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To upgrade Internet Explorer and Outlook Express, follow these steps:
- Remove Internet Explorer 5.5 or Internet Explorer 5.5 SP1.
- Install Windows 2000 Service Pack 1, Internet Explorer 5.01 SP1 or Internet Explorer 5.01 SP2.
For additional information about how to obtain Windows 2000 SP1 or Internet Explorer 5.01 SP2, click the following article numbers to view the articles in the Microsoft Knowledge Base:
260910
How to obtain the latest Windows 2000 service pack
267954 How to obtain the latest Internet Explorer 5.01 service pack
- Install Internet Explorer 5.5 or Internet Explorer 5.5 SP1 again.
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