WD Safe Remove Worked - Then Pls Re-Insert Pop-up

I got the WD Sftware (Not Win 7) Safely Remove option to work.

I removed the MyPassport Ultra - BUT THEN seconds later - a pop-up stated it couldn’t find the path to the My PPt Ultra and to – Please Re-Insert the drive --.

I Re-Insert and thankfully all data reappears as though nothing is wrong.

Fairly SURE it worked ONLY because ONE My PPt was inserted; IF my (2) My PPts are inserted (Only 1 drive BkUp is Enabled at a time) the “Drive in Use” always appears.

IS the Re-Insert pop-up more of a Glitch than a Real requirement? Would be somewhat helpful to have limited use of this function.  MANY THANKS!

That will presumably be some other software you had running which was using the drive (for example the file you had open was saved on it) but not actively so (it was working on the file in memory, but its save location was on the drive for example).

If you can identify what program was generating the pop-up it would help things, but it sounds fairly safe to me. You sometimes get them with media players and CD/DVD drives - if you take the disc out before the program is expecting you to then it may ask you to put it back so it can finish what it was doing properly before closing down for example.