Microsoft KB Archive/302843

= Computer stops responding each night at midnight =

Article ID: 302843

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows 98 Second Edition
 * Microsoft Windows 98 Standard Edition

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This article was previously published under Q302843



Important This article contains information that shows you how to help lower security settings or how to turn off security features on a computer. You can make these changes to work around a specific problem. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this workaround in your particular environment. If you implement this workaround, take any appropriate additional steps to help protect your system.

Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.



SYMPTOMS
When you attempt to resume your computer after midnight, or if you are using your computer at midnight, your computer may stop responding (hang).

If you press CTRL+ALT+DELETE, Msgsrv32 may appear as not responding.



CAUSE
This issue can occur if you have Norton AntiVirus installed on your computer.



RESOLUTION
To work around this issue, use the following methods in the order shown.

Warning This workaround may make your computer or your network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.

Note An antivirus program is designed to help protect your computer from viruses. You must not download or open files from sources that you do not trust, visit Web sites that you do not trust, or open e-mail attachments when your antivirus program is disabled.

For additional information about computer viruses, click the following article number to view the article in the Microsoft Knowledge Base:

129972Computer viruses: description, prevention, and recovery

Method 1
Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Caution These steps will turn off some or all of the Norton AnitVirus functionality.
 * 1) Click Start, and then click Run.
 * 2) In the Open box, type regedit.
 * 3) Browse to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VXD.
 * 4) Right-click NAVAP.VXD, and then click Delete on the shortcut menu.

When the confirmation message appears, click Yes.
 * 1) Repeat step 4 to delete SYMVNT.386.
 * 2) Quit the Registry Editor.

Method 2
Uninstall Norton AntiVirus. To do this, follow these steps:
 * 1) Click Start, point to Settings, and then click Control Panel.
 * 2) Double-click Add/Remove Programs, click Norton AntiVirus in the list, and then click the Add/Remove button.
 * 3) Follow the instructions to completely remove Norton AntiVirus from your computer.

Note If you want to continue using Norton AntiVirus products, contact Symantec for technical assistance.



MORE INFORMATION
Microsoft 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.

To contact Symantec, visit the following Symantec Web site:

http://www.symantec.com/

Keywords: kb3rdparty kbprb KB302843

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