Download and Fix dot3gpui.dll

Sometimes Windows system displays error messages regarding corrupted or missing dot3gpui.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent dot3gpui.dll file can therefore effect in failed execution of the started process.

dot3gpui.dll file 802.3 Network Policy Management Snap-in. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of dot3gpui.dll related errors on your device. You can also download dot3gpui.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista

File info

General information
Filename dot3gpui.dll
File extension DLL
Description 802.3 Network Policy Management Snap-in
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to dot3gpui.dll file. dot3gpui.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to dot3gpui.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • dot3gpui.dll is corrupted
  • dot3gpui.dll cannot be located
  • Runtime Error - dot3gpui.dll
  • dot3gpui.dll file error
  • dot3gpui.dll file cannot be loaded. Module was not found
  • cannot register dot3gpui.dll file:
  • dot3gpui.dll file could not be loaded
  • dot3gpui.dll file doesn't exist



Application could not be started because dot3gpui.dll file is missing. Reinstall the application to solve the problem.


Problems related to dot3gpui.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing dot3gpui.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

dot3gpui.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with dot3gpui.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to dot3gpui.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of dot3gpui.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to dot3gpui.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the dot3gpui.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the dot3gpui.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the dot3gpui.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace dot3gpui.dll file

The last solution is to manually download and replace dot3gpui.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded dot3gpui.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of dot3gpui.dll file example directory paths.

  • Windows 10: C:\Windows\System32\
  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your dot3gpui.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename dot3gpui.dll
System Windows 10
File size 240640 bytes
Date 2017-03-18
File details
MD5 7df7693c5f597dc59e2052daede40bc2
SHA1 a49d954f58611ebfd8ecd4de0e4081777199b3cf
SHA256 6865d2648849be1291f514f0700753213d6e8f0874bef7921e45e813eb4a5cb9
CRC32 d9f7c3b8
Example file location C:\Windows\System32\
Filename dot3gpui.dll
System Windows 8.1
File size 242176 bytes
Date 2014-11-21
File details
MD5 87730838fac94234c24318a860232db8
SHA1 4823f7be501bf67aa3456ee46b1b4a96dea61c18
SHA256 311b9cb5101d881e933b58ff1c76a39e5b32a73f0c58d1eafa5111ee5883f8a2
CRC32 c78a9492
Example file location C:\Windows\System32\
Filename dot3gpui.dll
System Windows 8
File size 235008 bytes
Date 2012-07-26
File details
MD5 d63a736cd515415a81504d429a3aea1e
SHA1 1dcd6261ac4b0d24643793f86b3c00b8adac422d
SHA256 8beeaa7b6c26e0c4295d95bb7804bfcea810d014b5a31056ed347c2516548627
CRC32 d9c64dd8
Example file location 1: C:\Windows\System32\
Filename dot3gpui.dll
System Windows 7
File size 280064 bytes
Date 2009-07-14
File details
MD5 56421d4d2bd7ab3bd7f7e1c7d2845f8d
SHA1 316215700c210fd364314f033b1f6467841a5339
SHA256 ea13b68287c5ecb7381368b73dea1eca9968bc5ed6b039995565ea2eed589ffc
CRC32 f571e2fd
Example file location C:\Windows\System32\
Filename dot3gpui.dll
System Windows 7
File size 265728 bytes
Date -0001-11-30
File details
MD5 ec5d8d6f83c31fe4385a263d3b933912
SHA1 5e828205cd30970f3f262ae4f031c6d0f28665c1
SHA256 85efc836120eb81fdf8bc6e1720d91d1538217c21e68279ae853eb43da6d8978
CRC32 3959728f
Example file location C:\Windows\System32\
Filename dot3gpui.dll
System Windows Vista
File size 278528 bytes
Date 2008-01-21
File details
MD5 140c06d8c0e78041ad5939fd5f91e58b
SHA1 2a3eec1540927a5f94a85176d5750f26b10fe230
SHA256 afb899f5f007f5fbf3245ffd7e4af4510f48245fc1670ff57395df6ceedbfd15
CRC32 f3e7c5fc
Example file location ---
Filename dot3gpui.dll
System Windows Vista
File size 235520 bytes
Date -0001-11-30
File details
MD5 72763fb32f75ca9e3c6fcbd764adc80d
SHA1 d660c196924e78b3d643a61568844f41544a739a
SHA256 d9c7a34a7bdab900e96b836a220d3a7e8ceea37025809c96ee0941c5e1d2d0db
CRC32 e6995014
Example file location ---