Windows 7, winhttpwebsocketcompleteupgrade -- error

Please advise as using Windows 7.

AcroRdrDC2600121662_en_US -- installed on 07/30/26.

At start » winhttp.dll

winhttpwebsocketcompleteupgrade -- error on 07/30/26.

Another problem.

Also created file with Adobe Scan. Shared link >> get error >>
"An error occurred
We're not able to open this document. It's either corrupted, or the file type isn't supported."