windows 10 Audio Bug - Red x on speaker icon - Super User
Windows X_X by jeatloh on DeviantArt
Stardock WindowBlinds: Skin and Theme your Windows Desktop
Immediately recognized the X as the X-windows logo. looks like trademark theft? : r/EnoughMuskSpam
Disk Cleanup – Guide for Windows XP, Vista, 7, 8, 8.1, 10
Windows 1.0x - Wikipedia
The Windows Insider Program
X-windows on OS X
X Windows: Let's read the Code!