I believe what you're referring to is OrionUO. It's discussed pretty extensively in this post here:
https://uoex.net/forum/viewtopic.php?f= ... nuo#p77291

I've had this happen a few times over the years. Easiest way I've found is to bring up task manager, and make it fullscreen from there. Once you do that should be normally visible and can readjust from there.

Below items for sale. PM Clownbox in-game. Can also find hive robes, taming Bods, and other goodies on my vendor Clownbox in Zento. Blaze of Death Lvl 100 No Points Spent - 9mil or 180ED Personal Statue Deed - Offer +5 Animal Lore Robe - 1mil Mocha's Delicious Candy Lightsaber - Offer Tantrum Soda -...

Finally got around to leveling up my fletching. Figured I'd share this info if anyone was curious and I didn't see it out there. These are costs associated with the second table/method that uses darts found here: http://uoex.net/wiki/Skill_Guides#Bowcrafting.2FFletching . 0-100: ~6k boards 0-120: ~1...

FYI to everyone I'm running Windows 7 and I had to run EasyUO with compatibility settings set to Windows XP before the cfg would load correctly for me.