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File Version : 1.0.11
Description : USB Client Device Driver
Copyright : Copyright (C) 1997-2004 Oki Data Corporation
Product Version : 1.2.0
Product Name : USB Client Device Driver
Company Name : Oki Data Corporation
Internal Name : OPUSBCLT
File Size: 40920 byte(s) 39.984 KB
MD5 : e3503463e46c39b5fc96b028df50d0e9
SHA1: 5A04AA863F9AFC643DA67CB43DCFBA9AB34C2807

Download oa001afx.sys
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How to Install oa001afx.sys
Repair Sys ProblemsFixing a corrupted or missing oa001afx.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.