Article ID: 271510 - View products that this article applies to.
This article was previously published under Q271510
For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/257824/EN-US/ )OL2000: Differences Between Outlook and Outlook Express
Outlook Express may be very slow when you try to open it, create a new mail message, or switch identities.
This behavior can occur for one of the following reasons:
To resolve this issue:
Rename the Pstore.log FileSearch for a Pstore.log file. If you do not find the file, skip to the next section. If you find it, rename it:
Obtain a New Copy of Pstores.exe and Associated FilesTo obtain a new copy of the Pstores.exe file and associated files, reinstall Microsoft Internet Explorer.
Delete the ProtectedStorage Registry KeyImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Delete the ProtectedStorage registry key by using the following method:
Re-Create the ProtectedStorage Registry KeyTo re-create the ProtectedStorage registry key:
This behavior can occur after you uninstall a previous version of McAfee VirusScan and then install a new version. You cannot remove files that are in use until you restart the computer. If you do not restart the computer after you uninstall the previous version of McAfee VirusScan, certain .dll files that are installed by the newer version are removed when you do eventually restart the computer. For more information on this issue, please visit the Product Knowledge Center at the following McAfee Web site:
http://www.mcafee.comMicrosoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
If this article does not solve the issue, then proceed to the following article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/235300/EN-US/ )OLEXP: Microsoft Outlook Express 5 Starts Very Slowly
Article ID: 271510 - Last Review: August 30, 2007 - Revision: 2.3