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File Version : 1, 0, 0, 16
Description : LEDM BULK
Copyright : Copyright 2005 Hewlett Packard
Product Version : 1, 0, 0, 16
Product Name : HP LaserJet Series
Company Name : Hewlett Packard
Internal Name : hppcbulkio
File Size: 22040 byte(s) 21.536 KB
MD5 : e325f85012e793cee74b73c4f22ae311
SHA1: E740657DFBA553DCCD953BF3A4F70071C41187BF

Download hppadt40.sys
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How to Install hppadt40.sys
Repair Sys ProblemsFixing a corrupted or missing hppadt40.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.