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File Version : 10, 1, 0, 3
Description : IEEE-1284.4-1999 Scan Class Driver
Copyright : Copyright 1998, 1999 Hewlett-Packard Company
Product Version : 10, 1, 0, 3
Product Name : HP Dot4Scan
Company Name : HP
Internal Name : Dot4Print
File Size: 9712 byte(s) 9.496 KB
MD5 : 50fe01d0c502f3962843e9e70294c4d7
SHA1: 3E389F8F87B6352D9E9B61D02DB71F0468B0E93E

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