Doesn’t work – Skin Stealer for Minecraft Game Textures Skins Review

I tried to look up my PC user name and it would send me an Alert “warning” me to enter a valid Minecraft username. I could not exit out of the alert so I had to quit the app and start it again. Please fix!!!!
Review by Manemjef on Skin Stealer for Minecraft Game Textures Skins.