How far have we gone off the original topic? Do you suspect that the naming scheme causes problems?
This may be a good question - but so far I have not got it together with the orginal freeze problem.
Is this always the same file (picture and/or music)?
Have you checked the files for integrity?
Playing them is not enough, you have to use the linked utitlities:
This is the instruction that you find on the internet if you search for "How to make a screenshot in windows":
How to Take Screenshots in Windows 10
Use Shift-Windows Key-S and Snip & Sketch. ...
Use the Print Screen Key With Clipboard. ...
Use Print Screen Key With OneDrive. ...
Use the Windows Key-Print Screen Shortcut. ...
Use the Windows Game Bar. ...
Use the Snipping Tool. ...
Use Snagit. ...
Double-Click Your Surface Pen.
Here is a description how to add a screenshot to a post: