This is installed with programs including CHDAU2.sys Download and fix the solution.
  • Directory: SYS
  • Company: Conexant Systems Inc.
  • Product: N/A
  • Version: built by:
  • Path: C:\WINDOWS\system32\drivers\
  • Size: 0KB
  • Platform: XP/Vista/Win7/Win8/Win10
  • Count: 54196
  • time: 2011/Jan/Sat
  • Description: CHDAU2.sys

How to Fix CHDAU2.sys Error

To start the process, you will need to be in the Administrator Command Prompt window. To do this, right-click on the Windows/Start button in the bottom left corner of your screen. Then click ‘Command Prompt (Admin).’


Then type in ‘sfc/scannow’ and press Enter to run the application. This needs to be left for around 5-10 minutes to run correctly and outline any issues. If there are no issues the message ‘Windows Resource Protection did not find any integrity violations’ will appear.


However, if the message ‘Windows Resource Protection found corrupt files but was unable to fix some of them’ then the application has found the issue. This means that your computer or laptop needs to be rebooted in safe mode. To do this hold the shift key while clicking the restart option– this will give you the advanced boot options menu. Once the computer has restarted, repeat the steps above to run the System File Checker and the first message should appear stating that no ‘integrity violations’ were found.

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