The following are the first steps you should try before contacting us REGARDLESS of the issue. * Close down the QEST4 software, disconnect the USB cable, and turn the QEST4 off. * Note: If the software is unresponsive - hold down keys CTRL- ALT-DEL to bring up task manager and close the program by selecting En...
Open Start Menu (Windows Icon) and click on Settings > Update & Security settings > Windows Update. Here, press on the **Check for updates** button. If any updates are available, they will be offered to you. If Windows Update says that your PC is up to date, it means that you have all the updates that are currently ...