Article ID: 178084 - View products that this article applies to.
This article was previously published under Q178084
When you log on to Windows, or after you install Windows, you may receive the following error message, and your computer may stop responding (hang):
MPREXE not responding
This behavior can occur for any of the following reasons:
To resolve this issue, use the following methods. After each method, test to see if the issue is resolved. If the issue continues to occur, use the next method.
Damaged Password List FileTo re-create your password list file, use the following steps.
Note If you are using a personal certificate, you should export it before renaming your .pwl file. If you do not do so, it may be unavailable when you send e-mail messages. For more information, see the following article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/190296/ )Unable to use personal certificates in Outlook Express
Conflicting Service or ProgramTo prevent a conflict with a service or program, "clean" boot your computer. For additional information about clean booting, see the following articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/156126/ )Troubleshooting Windows 95 using Safe Mode
(http://support.microsoft.com/kb/192926/ )How to perform clean-boot troubleshooting for Windows 98
(http://support.microsoft.com/kb/281995/ )How to troubleshoot using the Msconfig utility in Windows Me
User Profiles Are Being UsedTo disable user profiles, follow these steps:
Hardware ConflictsTo resolve hardware conflicts, follow these steps:
Missing or Damaged DriverDownload the latest drivers for your hardware from your hardware manufacturer. For information about how to download the latest drivers for your hardware, view the documentation included with your hardware, or contact your hardware manufacturer.
Enable Load BalancingTo prevent Windows from contacting the primary domain controller, enable load balancing. For more information about enabling load balancing, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/197986/ )How to configure Windows 95 policies with load balancing
Remote PDCEnable load balancing on the Windows clients. For additional information about enabling load balancing, click the article number below to view the article in the Microsoft Knowledge Base:
197986Note Even if you do not use policies for your clients, Windows checks the PDC's Netlogon share for a policy file. If your PDC is not local to the client, or is across a slow wide area network (WAN) link, it could cause a long delay during the logon process.
(http://support.microsoft.com/kb/197986/EN-US/ )How to Configure Windows 95 Policies with Load Balancing
Corrupted User ProfileLog on as a user who is not currently experiencing the issue. Locate the affected user's profile in the Windows\Profiles folder. Move that user's folder to another location. Log off and then log on as the affected user to re-create the user profile.
Incorrectly Seated Network AdapterA network adapter that becomes inoperable or unseated can also cause this error message. Try to reseat, replace, or reinstall the network adapter.
Reserved Word Used as a User NameThe error message can also occur if you use one of the following reserved words as your user name:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
For additional information about Mprexe.exe issues, see the following articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/151708/ )XCLN: Page fault in Mprexe.exe when starting client
(http://support.microsoft.com/kb/166898/ )OL97: Windows 95 Service Pack 1 and password issues