Myriad of drivers that were rolled back or re-installed within 2 days of installation

Description

This measure is tracking whether a driver is rolled back or succeeded by another driver install (not initiated by WU) within 2 days of the installation. Such actions signal that user is having problems with a driver severe enough that they need to use a different driver.

Measure attributes

Attribute Value
Audience Devices targeted by the driver
Time period 7-day sliding window
Measurement criteria Machine count
Minimum population 5,000 Devices
Passing criteria <= 10 rollbacks per 10,000 devices that installed the driver
Measure ID 19564492

Calculation

The measure aggregates telemetry from a 7-day sliding window into the Ratio of Driver Rollbacks/‚ÄčAnother Driver Installs per 10,000 devices that installed this driver

Total Devices That Rolled Back Or Installed Another Driver = Count(devices that rolled back or installed another driver within 2 days from the driver installation)

Total Devices = Count(Devices that installed the driver and used it for 2 days)

Final Calculation

Ratio of Driver Rollbacks/Another Driver Installs = Total Devices That Rolled Back Or Installed Another Driver * 10,000 / Total Devices