Month: September 2017

Windows 10 wedges itself

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One or more of the recent updates for Windows 10 rendered my laptop incapable of communicating with the outside world. The Windows Firewall failed to run due to Base Filtering Engine not being able to run either. It’s the dreaded “Error 5: Access denied” error message all over again. Windows 10 also thought it was […]

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Voyager 1 on 2027-12-26T23:59:36,9+0000

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I downloaded a new version of NASA’s Eyes from https://eyes.nasa.gov/. The old version was unable to upgrade itself for some reason. I ran a simulation on Voyager 1 towards the end of its life. At 2027-12-26T23:59:36,9+0000, the spacecraft changed its attitude, pointing the high gain antenna towards outer space. I checked the Wikipedia article, but […]

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Office 365 and error 30125-28 (404)

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The Office 365 instance installed on a student’s laptop showed signs of not being activated and in need of an update. Clicking on any of the small buttons below the ribbon made no difference. Running Office updates manually from “File → Account → Update” gave us an error message: 30125-28 (404). Running sfc /scannow with […]

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Cisco Catalyst 9400 Series

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Cisco’s Catalyst 9400 Series introduced this summer do look promising, but it’s still missing a few highlights: Complete support for redundant supervisors; unavailable according to the release notes dated July 31, 2017 The supervisor module (hardware) supports redundancy, but the software does not. The associated route processor redundancy (RPR) and stateful switchover (SSO) features are […]

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