Illustrator Error Can't open Illustration. There is not enough room for the window; increase doc

[#1]

I am using Windows 10.  Illustrator CC version 25.  I keep getting this message.  I have the window size full screen.  HELP...

[#2]

Please show something.

"Normally" this message only appear in such cases (here German UI):

 

[#3 · Accepted solution]

Hi there,

Sorry about the delay. I am hopeful that the issue was fixed. If not, please try the suggestions shard on this page (https://community.adobe.com/t5/illustrator/resolve-slow-performance-and-unexpected-behaviors-in-illu...) and let us know how it goes. 

Feel free to let us know if you still need assistance. We'd be happy to help.

Regards,

Srishti