Important: Do not uninstall the old version – WinOLS 4.7 updates over 4.6.
| Issue | Solution | |--------|----------| | “Cannot write to license file” | Run WinOLS as Administrator once | | Update fails (file in use) | Reboot, close all WinOLS processes in Task Manager | | USB hardware not detected | Reinstall USB driver from WinOLS\Drivers folder | | Demo mode after update | Re-enter license or reinstall update over existing install | winols 47 install updated
Many professionals now install WinOLS 47 inside a Windows 11 VM (VMware Workstation 17 or VirtualBox 7). Why? Important: Do not uninstall the old version – WinOLS 4
Date: October 26, 2023 Subject: Installation and Configuration of WinOLS v4.7 Software Version: 4.7 Classification: ECU Remapping Software Date: October 26