0X000000D1 message indicates that a system or device driver attempted to write to read-only memory.

A Stop 0X000000D1 message might occur after installing a faulty device driver, system service, or firmware. If a Stop message lists a driver by name, disable, remove, or roll back the driver to correct the problem.

How:

1. Restart computer and keep pressing F8 as system boots
2. Use arrows keys to select safe mode
3. In safe mode go to start/settings/control panel
4. go to system icon
5. go to hardware tab
6. go to device manager
7. Right click on driver that you updated and click properties
8. Select driver tab rollback or uninstall

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