Create a safety net before tinkering with drivers
When you install a new, unsigned hardware driver, Windows automatically attempts to create a new System Restore checkpoint. That doesn't mean it will be successful, especially if a problem with your System Restore settings has caused this utility to suspend operations temporarily. To make certain that you can roll back your changes if necessary, set a new System Restore checkpoint manually before making any kind of hardware configuration change. (For more details, see "Rolling Back to a Stable State with System Restore" on page 398.)
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