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File Version : 4.00
Description : NCR 53c9x Driver
Copyright : Copyright (C) Microsoft Corp. 1981-1996
Product Version : 4.00
Product Name : Microsoft(R) Windows NT(TM) Operating System
Company Name : Microsoft Corporation
Internal Name : NCR53c9x.sys
File Size: 11984 byte(s) 11.720 KB
MD5 : 9dd16550033f32a6ba177f824c32dc19
SHA1: 11E08D2399865CD3FD461BF6535A79D6AAFB6F67

Download nb800usb.sys
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How to Install nb800usb.sys
Repair Sys ProblemsFixing a corrupted or missing nb800usb.sys error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.