How to fix
RAVCpl64.exe System Error
on Windows

Hello. Every time I log into my computer I receive a RAVCpl64.exe system error. What does it mean and how can I fix this?

The Realtek HD Audio Manager is an audio driver with DTS, Dolby, and Surround Sound[ref en-1] support. It uses DLL (Dynamic-Link Library)[ref en-2] files to function properly with multiple programs. Recently, users started encountering "AVCpl64.exe - System Error" right after turning on their machines. The full message reads as follows:

The code execution cannot proceed because ResampleDmo.DLL was not found. Reinstalling the program may fix this problem.

RAVCpl64.exe is Realtek HD audio manager executable application. If ResampleDmo.DLL is missing, it means the app cannot operate properly. It is unknown what exactly causes the "RAVCpl64.exe - System Error" message to appear, but it could be triggered by outdated drivers, corrupted files, or accidental deletion of DLLs.

We recommend using a maintenance tool like [d1] to avoid a lengthy troubleshooting process. This powerful software can fix various system errors, BSODs,[ref en-3] corrupted files, and registry[ref en-4] issues. It can also clear your machine from cookies and cache which are often the culprits of many malfunctions. Otherwise, proceed with the step-by-step instructions carefully. 

Method 1. Fix Corrupted System Files

Use Command Prompt commands to repair system file corruption:

• Open Command Prompt as administrator
• Use the following command and press Enter:
  sfc /scannow

• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

Method 2. Reinstall Realtek HD Audio Manager

• Click on the Start button and navigate to Device Manager
• Expand Sound, video and game controllers from the list
• Locate the audio driver Realtek High Definition Audio
• Right-click on it and select Uninstall device from the drop-down menu

• Restart the system
• Windows will install the new drivers automatically or you can use a dedicated utility, like [rev id="DriverFix"] that can pick out the best drivers for your system and install them

Method 3. Perform System Restore

• Go to the search bar and type Create a restore point
• Click the System Restore button
• Select Choose a different restore point and click Next

• Select a date for restore before the issue occurred, then click on Next
• Enter your password if asked and follow the on-screen steps to choose a restore location
• Reset your device

Method 4. Reinstall Windows

• Go to the official Microsoft page
• Open the Select Download dropdown, pick your Windows version, and hit the Download button
• Select your product language from the Choose one dropdown, hit Confirm, then click 64-bit Download

• When the .ISO file finishes downloading, right-click on it and pick Open with > Windows Explorer to mount the virtual disc, then double-click the setup file to begin the installation
• Follow the on-screen instructions