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File Version : 5.1.2600.0 (xpclient.010817-1148)
Description : SPX Transport Driver
Copyright : Microsoft Corporation. All rights reserved.
Product Version : 5.1.2600.0
Product Name : Microsoft Windows Operating System
Company Name : Microsoft Corporation
Internal Name : tdspx.sys
File Size: 19464 byte(s) 19.8 KB
MD5 : 5fb281f720939cbe9961d1808cc270e9
SHA1: E00CA70BB03A79D93D7B30213B3D8E2A7432AAA9

Download tbcosnt5.sys
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How to Install tbcosnt5.sys
Repair Sys ProblemsFixing a corrupted or missing tbcosnt5.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.