When downloading files from the Internet, these files are stored to the Downloads folder by default.
However, this folder wont respond for a long time, even you cant open Downloads files.
More seriously, File Explorer may stop working.

By performing the commandsfc /scannow, you could easily solve the Downloads folder not responding issue.
Step 2: Inputsfc /scannowand pressEnter.
Wait a few minutes until the verification is complete.

based on the bang out of items in that folder.
But for the Download folder, the file types are random.
So, Folder Discovery may be a bug since it slows down the load time of the Downloads folder.
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Step 1: In File Explorer of Windows 10, right-tap on the Downloads folder and chooseProperties.
Step 2: Go to theCustomizetab and chooseGeneral itemsfrom theOptimize this folder forsection.
Step 3: Also, check theAlso apply this template to all subfoldersoption.

Step 4: ClickApplyand thenOK.
Step 1: In File Explorer, clickFile > Changefolder and search options.
Step 2: Under theViewtab, choose theAlways show icons, never thumbnailsoption.
Step 3: ClickApplyandOK.
Are your picture thumbnails not showing in Windows 10 File Explorer?
Take it easy and now we will show you how to fix this issue via 4 methods.
Just recover files from the inaccessible folder with the professionaldata recovery software MiniTool Power Data Recovery.
Step 1: Launch this program to its main interface.
Choose the C drive and clickScan.
Step 2: Wait a few minutes until the scan finishes.
If yes, check all the items and clickSaveto a safe location.
Bottom Line
Cant open Downloads in Windows 10?
What should you do in the event of Downloads folder not responding?
venture to fix it.