Windows 10: "Showpreviewpanehandlers" missing from registry?

Windows 10, 20H2 latest updates. Detection of this issue arose during researching why my deleted RAW images (.rw2) within the Recycle Bin were showing up as program icons instead of image thumbnails (however, image thumbnails do show when opening File Explorer.) And, with the preview pane open in RB, when selecting an icon to show itself in the preview pane, the preview pane would say "no preview available." BTW, even though File Explorer shows image thumbnails, it too responds as the RB when trying to show a file in the Preview Pane? Lastly, when in RB, I can get the icons to show their image by dragging it into the Preview Pane area, but when releasing the left click, the image leaves the preview pane and reverts back to its program icon position, So, as the Preview Pane in the RB wasn't working properly, I further researched this issue and found this site: FIX: Preview Pane Not Working In Windows 10. It lead me to changing "showpreviewhandlers" value to "1" if it was set to "0". However, when in the registry, "showpreviewhandlers" was not there! How can I get it back to where I think it should be? And, if you know how to get thumbnail images, and not just program icons, into the Recycle Bin, that would be great. Thanks.

:)

 

Registry entries missing

Hi Arvid,

Thank you for posting your query in Microsoft Community.

I understand the inconvenience caused. I will be glad to assist you with this.

This might be due to the registry entries getting corrupted or missing. I would suggest you to click the article given below and try the 3rd step from the article first. If that doesn't work, continue with the other suggested troubleshooting steps one after
the other.

Fix network connection issues

Let us know the result. We will be glad to help if you need further assistance.

 

Error message "missing registry socket"

Hi Harry,

Thank you for bringing up your query on Microsoft Community.

I realize this may be frustrating. Now that you have me with you, let me take care of this.

Winsock or Windows Sockets is a technical specification that defines how Windows network software should access network services.

Let us try the following steps and check if it helps.

Step 1: Perform a Winsock Reset

• Open the Windows Start Screen or Start Menu and type
  cmd in the search box.
• Right-click Command Prompt or cmd in the search results and select
  Run as Administrator.
• Type netsh winsock reset in the Command Prompt window and press
  Enter. Wait for Windows to finish resetting your Winsock configuration.
• Reboot your computer.

Step 2: I suggest you to follow the steps suggested by

Suvarna Govinda (replied on February 16, 2016) and check if it helps.

"Windows Sockets registry entries required for network connectivity are missing" Connectivity Issues in Windows 10

"Windows Sockets registry entries required for network connectivity are missing" Connectivity Issues in Windows 10

Hope it helps.

Let us know the status, we are glad to assist you further

 

Why did the startup window get cleared?

I didn't missed any step, the list was gone and gone , even after using lot of programs the programs were not listed in that list.