What is AUDIO-RENDERER-ERR?
AUDIO-RENDERER-ERR is a low-severity Windows operating system problem. Browser (Chrome/Edge) reports 'Audio renderer error' and cannot play media until restarted. Another common trigger is exclusive mode lock by another application. Work through the steps below in order.
Common Causes
- Windows default audio device changed while browser was running
- Exclusive mode lock by another application
- Driver update while browser active
Step-by-Step Fix Guide
-
1
Unplug and replug headphones/speakers
For lingering AUDIO-RENDERER-ERR cases, "Unplug and replug headphones/speakers" is worth running through.
-
2
Set the default audio device in Sound settings
"Set the default audio device in Sound settings" targets windows default audio device changed while browser was running, one of the documented causes of AUDIO-RENDERER-ERR.
-
3
Restart the browser
"Restart the browser" is worth trying when windows default audio device changed while browser was running turns out to be the culprit.
Commands & Diagnostics
mmsys.cpl
Frequently Asked Questions
In most cases, windows default audio device changed while browser was running is behind AUDIO-RENDERER-ERR. Exclusive mode lock by another application and driver update while browser active can trigger it too.
"Unplug and replug headphones/speakers" clears up most AUDIO-RENDERER-ERR reports by itself. The remaining steps above cover what's left.
AUDIO-RENDERER-ERR is a low-severity issue. It can affect system stability, but the fix steps above typically resolve it without lasting damage.
You shouldn't need to. Work through the guide above first — a reinstall is only worth considering if none of those steps help.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including AUDIO-RENDERER-ERR. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database