avmcoxp.dll Informations - Download and Fix

Sometimes Windows system displays error messages regarding corrupted or missing avmcoxp.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 avmcoxp.dll file can therefore effect in failed execution of the started process.

avmcoxp.dll file AVM ISDN-Controller NDIS WAN CoInstaller. 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 avmcoxp.dll related errors on your device. You can also download avmcoxp.dll file compatible with Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows Vista

File info

General information
Filename avmcoxp.dll
File extension DLL
Description AVM ISDN-Controller NDIS WAN CoInstaller
Program AVM ISDN-Controller NDIS WAN CoInstaller
Author AVM GmbH
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights AVM GmbH
Character set Windows, Latin1
Language cod Neutral

There are various types of errors related to avmcoxp.dll file. avmcoxp.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 avmcoxp.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to avmcoxp.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 avmcoxp.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.

avmcoxp.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 avmcoxp.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 avmcoxp.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 avmcoxp.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 avmcoxp.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the avmcoxp.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 avmcoxp.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 avmcoxp.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 avmcoxp.dll file

The last solution is to manually download and replace avmcoxp.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 avmcoxp.dll file.

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

  • Windows 7: C:\Windows\System32\DriverStore\FileRepository\avmx64c.inf_amd64_neutral_8ebb15bf548db022\
  • Windows Vista: C:\Windows\System32\DriverStore\FileRepository\avmx64c.inf_e7eab71d\

If the steps did not solve your avmcoxp.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 avmcoxp.dll
System Windows 7
File size 271360 bytes
Date 2009-07-14
File details
MD5 da76f546f34de9e83e9c52eb9398803b
SHA1 feedf4a29b27cc3eb71909fab189d628623c8fdc
SHA256 ba1eeb132a2a982d2cad5a72c4fd9a5cfbce446b1ab256d50991442af5ae6fcb
CRC32 84dea3c4
Example file location C:\Windows\System32\DriverStore\FileRepository\avmx64c.inf_amd64_neutral_8ebb15bf548db022\
Filename avmcoxp.dll
System Windows Vista
File size 271360 bytes
Date 2006-11-02
File details
MD5 617266502cf831ee0340c60c06b22601
SHA1 9dc29442a2cc13a7ab68758588a3101fd7e5473b
SHA256 7e7faa0994a14ffb3e6a9adce72a6a489758bf23def149406bb64e3d4e4ad07d
CRC32 860744a0
Example file location C:\Windows\System32\DriverStore\FileRepository\avmx64c.inf_e7eab71d\