Recdiag.dll -

Wait for the scan to finish. If it finds errors it cannot fix, run the deployment image tool by typing: DISM /Online /Cleanup-Image /RestoreHealth Restart your computer. Step 2: Perform a Malware Scan

Open (Win + I) and navigate to Apps > Installed Apps . recdiag.dll

If the error started appearing recently, rolling back Windows to a previous healthy state can resolve it. Wait for the scan to finish