Windows 10: My One Drive folders are showing a red X and tries to save files a A-

My One Drive folders are showing a red x. I can open a file but cannot save it as it doesn't recognise the file address or name . It renames the file A- and says cannot locate OneDrive even though I have just opened it from the onedrive

:)

 

File Explorer shows red "x" mark at a folder name

File Explorer shows red "x" mark next to a folder symbol, however this folder is accessible and seems all right. What does red "x" mark mean? Thank you

 

What does the red x showing on files and folders in file explorer indicate

What does the red x showing on files and folders when using file explorer indicate?

 

red x and files being saved.

I have a red x next to my "This PC" icon. In addition, I have always saved my photos to my document file and they are being sent to my c drive.