In viewer, <ctrl shift r> lossless jpg rotate was used about a dozen times on same image (2960x4208 2.51MB image. No metadata)
Perhaps realated to these topics:
Cursor unavailable after lossless jpg cropping

http://newsgroup.xnview.com/viewtopic.php?t=4411
Auto hide stops working in FS Preview sometimes:
http://newsgroup.xnview.com/viewtopic.php?t=4470
XnView 1.82 RC3