When this issue occurs, error code 0xc0000409 often pops up on the screen.
Restarting your machine can temporarily solve the problem.
Contents
How Do I Fix File Explorer Error 0xc0000409?
Then, clear your File Explorer history and test whether this quick solution solves the problem permanently.
To delete your File Explorer history, open File Explorer and click onSee More(the three dots).
Then, selectOptions, go to theGeneraltab and locate thePrivacysection.
Run Windows Memory Diagnostic
punch the Windows Search icon and pop in memory diagnostic.
Double-punch theWindows Memory Diagnostic app.
SelectRestart now and check for problems.
Dont forget to store your files and exit all the background programs before restarting your machine.
you could run DISM and SFC to repair faulty system files and fix error code 0xc0000409.
power cycle your setup and verify if youre still getting the same error.
Go toSettings, click onWindows Update,and hitCheck for updates.
Many Windows 11 users confirmed that installing KB5011563 solved the problem.
Perform a clean bootto see if theres a particular program thats causing this issue.
Software conflicts can sometimes occur due to incompatible configs.
Conclusion
To fix error code 0xc0000409, clear your File Explorer history and exit Dropbox.
Then, launch the Windows Memory Diagnostic app.
Additionally, run DISM and SFC to repair faulty system files.
If the error persists, patch your system to the latest OS version and perform a Clean Boot.
Did you manage to get rid of error 0xc0000409?
Which solution did the trick for you?