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November 27, 2020


Deliberately fuzzed image from CACM article

Microsoft Makes Fuzz Testing Tool Open Source

Fuzzing is a technique that deliberately generates randomized inputs to code under test, and seeks to exercise (and violate) all possible code paths. This makes it a peachy technology for automated testing. MS has made its fuzz testing tools Open Source, which is big news.

Settings-based disk management crash info on Lenovo X380 Yoga

Build 20197 Brings New Disk Management UI … On Some PCs

With Dev Channel Build 20197 the new “Managed Disks and Volumes” facility in settings is supposed to work. I can’t tell if it’s broken or not, because I tweaked the OS earlier to try (unsuccessfully) to turn on this feature in July. Repairs will be needed!

With an incept date of 2012, it's no suprrise Lenovo doesn't sell T520s anymore

2012 Vintage Lenovo T520 Nears Retirement

When I wake up my old Lenovo T520 this morning, I get a black screen after trying to login. I use a pair of hotkey sequences that not only give me a working display. I’m also able to capture black screen error info for my first time ever. Woo hoo!

Strange Local Security Authority bug forces restart (Source: BleepingComputer.com)

Windows 10 2004 Gotcha Forces System Reboot

A fair number of Windows 10 2004 users are reporting that some PC’s are experiencing an LSASS (Local Security Authority Subsystem Service crash. It forces a reboot within 60 seconds of its occurrence. Ouch!

Task Manager Startup items tab

DSAService Error Tied to Intel Utility

Because I check over my Reliability Monitor errors frequently, I notice this week that Intel’s Driver & Support Assistant startup item has started throwing “stopped working” errors. I don’t need this, so I disable that item immediately. You might do likewise.

War Stories – Fighting the hijackers

On Saturday, May 2nd, my virtual friend and fellow Finn Toni sent me an email with a screenshot showing Win10.guru on his mobile device. Automatic HTTP to HTTPS redirecting had somehow been disabled. Worse the only content visible on our home page was some strange ads in Japanese. As we pay for GoDaddy, our hosting

A strange error message in Windows 10

This weekend, I have had just one single task, and one goal: to get the GUI desktop environment working in my Linux distros running in the Windows Subsystem for Linux (WSL). I finally managed to do it, and I am extremely happy about how fast my WSL Linux distros work when I connect to them

Patch Tuesday KB4515384 Resolves KB4512941 Search Issues

MS has acted swiftly to address issues with Search.UI and above-average CPU consumption rates raised from the  August 26 (Release Preview) and August 30 (general 1903 release) KB4512941 Cumulative Update. In fact, the lead item in the 1903 Known Issues list (see following screencap) addresses this directly. In a previous post here at Win10.Guru (MS

When the Cure for Win10 Problems is Too Much

Over the weekend, I was reading up about a fix for a problem that’s plagued my production PC for at least two years now. The problem is best illustrated visually, and expresses itself as a set of one or more spurious entries at the end of the Start menu under the anomalous “Other” category. It

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