"Stop 0x50" Transferring Files over RAS with Windows NT 4.0

Article ID: 155573 - View products that this article applies to.
This article was previously published under Q155573
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SYMPTOMS

When you are downloading files using FTP with Windows NT 4.0, you may receive the following error message on a blue screen:
Stop 0x00000050 PAGE_FAULT_IN_NONPAGED_AREA
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CAUSE

Running Windows NT 4.0 with an incorrect version of the Aic78xx.sys driver for Adaptec SCSI adapters causes this condition to occur intermittently.
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RESOLUTION

Check the time and date stamp and file size of the Aic78xx.sys driver to determine if the correct Windows NT 4.0 version is installed. This driver file is located in Winnt\System32\Drivers folder. 
   Aic78xx.sys   27K   8/2/96 1:30 AM

Compare the installed aic78xxx.sys file with the one located on the Windows NT 4.0 CD-ROM and if it is different, replace it.
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Properties

Article ID: 155573 - Last Review: November 1, 2006 - Revision: 1.1
APPLIES TO
  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
Keywords: 
kbnetwork KB155573
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