Fix cpnotify_IBV64.ax Errors

Sometimes Windows system displays error messages regarding corrupted or missing cpnotify_IBV64.ax 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 cpnotify_IBV64.ax file can therefore effect in failed execution of the started process.

cpnotify_IBV64.ax file Copy Protection Notification DLL. 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 cpnotify_IBV64.ax related errors on your device. You can also download cpnotify_IBV64.ax 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 cpnotify_IBV64.ax
File extension AX
Description Copy Protection Notification DLL
Program Copy Protection Notification DLL
Author Conexant Systems, Inc
MIME type application/octet-stream
File type Dynamic link library
System Win32
Copyrights Copyright © Conexant Systems, Inc. 2005
Character set Windows, Latin1
Language cod English (U.S.)

There are various types of errors related to cpnotify_IBV64.ax file. cpnotify_IBV64.ax 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 cpnotify_IBV64.ax file. If you encounter one listed below (or similar), please consider the following suggestions.

  • cpnotify_IBV64.ax is corrupted
  • cpnotify_IBV64.ax cannot be located
  • Runtime Error - cpnotify_IBV64.ax
  • cpnotify_IBV64.ax file error
  • cpnotify_IBV64.ax file cannot be loaded. Module was not found
  • cannot register cpnotify_IBV64.ax file:
  • cpnotify_IBV64.ax file could not be loaded
  • cpnotify_IBV64.ax file doesn't exist



Application could not be started because cpnotify_IBV64.ax file is missing. Reinstall the application to solve the problem.


Problems related to cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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.

cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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 cpnotify_IBV64.ax file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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 cpnotify_IBV64.ax 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 cpnotify_IBV64.ax file

The last solution is to manually download and replace cpnotify_IBV64.ax 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 cpnotify_IBV64.ax file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of cpnotify_IBV64.ax file example directory paths.

  • Windows 7: C:\Windows\System32\DriverStore\FileRepository\cxfalpal_ibv64.inf_amd64_neutral_4c42ac5f00413365\
  • Windows Vista: ---

If the steps did not solve your cpnotify_IBV64.ax 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 cpnotify_IBV64.ax
System Windows 7
File size 20480 bytes
Date 2009-07-14
File details
MD5 28d0123564be3c9181cbf8c36ca03ce3
SHA1 79342e04c8c02c94b65afd9b14c8a7b09b251723
SHA256 eefdcb5b65cd6b723d1bf3c3a8e8dab06560df6fd181784b28ba9cfabd437894
CRC32 3fb102e4
Example file location C:\Windows\System32\DriverStore\FileRepository\cxfalpal_ibv64.inf_amd64_neutral_4c42ac5f00413365\
Filename cpnotify_IBV64.ax
System Windows Vista
File size 18944 bytes
Date 2006-11-02
File details
MD5 c8043d061c383737b0d43d39b088601b
SHA1 eb61d4b9311aa00e9007a18aedd7356c1fbb2ea5
SHA256 7fbaca926f4a245a03833dd7b7c99005e29bc157ddc732e2eda0a6b7cef7a1e0
CRC32 35d7bed5
Example file location ---