Troubleshooting fitlet2 - UKLog.dat file on Windows 10 OS takes up all the free disk space

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Symptom: On fitlet2 after updating the Windows 10, and in particular Intel Video drivers, customer can find a file called UKLog.dat created in the root of disc C:\. This file grows quickly, so in a few hours the whole disk can be full

Reason: Issue caused by a particular Intel Video driver versions (applies to:,,

Solution: Download and install the latest video driver from our Wiki Site (ver. or later): fitlet 2 Intel Video Drivers for Windows 10