File Explorer multiple windows opening

A new glitch has developed in my Win 10 file explorer. Whenever I attempt to select multiple files in a row, in order to move them, no matter how careful I am multiple windows open for each file. As I have over 2000 files to move from one network computer to another this has been quite a problem. I check off the first file in the group then, holding down the shift key as usual, go to the last file (moving them in groups of 10 or 20) and select it. Immediately, 10 or 20 individual windows pop up, one for each file I checked off. Earlier today it worked just fine but after a few hours started this odd behavior. Also, open file in same window is checked off in folder options. Any ideas?

Those aren't the problems. Seems the longer I work in File Explorer, the more it happens. Starts out working just fine then goes downhill from there.

febsr said:

A new glitch has developed in my Win 10 file explorer. Whenever I attempt to select multiple files in a row, in order to move them, no matter how careful I am multiple windows open for each file. As I have over 2000 files to move from one network computer to another this has been quite a problem. I check off the first file in the group then, holding down the shift key as usual, go to the last file (moving them in groups of 10 or 20) and select it. Immediately, 10 or 20 individual windows pop up, one for each file I checked off. Earlier today it worked just fine but after a few hours started this odd behavior. Also, open file in same window is checked off in folder options. Any ideas?

Try using the shift key to the left of the keyboard, and the left click from mouse to select to check?

That is the normal procedure and how I am doing it. It is still happening sporatically so I shut down then attempt to start over. Works for about 10 minutes then recurs.

Yes, I could do that but still wondering what is causing it. Thanks for everyone's input. Sometimes these thing have no apparent reason for happening and usually follow some kind of windows update. Frustrating but not impossible to work around.

How about restoring file explorer to defaults?