Windows will attempt to find and replace corrupted or missing system files.

: A missing DLL is usually a symptom that a program or a redistributable package (like Microsoft Visual C++) was improperly installed or deleted. Safer Ways to Fix the Error

Sometimes antivirus software flags legitimate DLLs as "False Positives" and moves them to quarantine. Check your security software’s history to see if it blocked the file and restore it if you trust the source.