He tried running as administrator. Same error. He tried compatibility mode for Windows Vista. Same error. He tried disabling antivirus, disabling User Account Control, even sacrificing a can of soda to the PC gods. Nothing.
For three hours, Leo fell into the deep, dark well of driver troubleshooting. He edited the registry (carefully). He extracted the .exe manually with 7-Zip and found a dusty .inf file. He forced the installation through Device Manager by pointing it to the extracted folder. install driver windows 7
Leo held his breath. He unplugged the tablet. Plugged it back in. He tried running as administrator
Leo downloaded it. Double-clicked. The installer opened with a wizard that looked older than most high school freshmen. A blue gradient window, Comic Sans on the welcome screen, and a progress bar that moved like cold honey. Same error