Get-WindowsUpdateLog triggers Microsoft Attack Surface Reduction (ASR) Rules

We were trying to diagnose a problem with Windows Updates today using Get-WindowsUpdateLog on Windows Server 2019. We kept getting blocked by ASR rule C0033C00-D16D-4114-A5A0-DC9B3A7D2CEB (Block use of copied or impersonated system tools) which kept tripping on the script’s use of tracerpt.exe which is supposed to be located in C:\Windows\System32. We kept getting this: Looking … Read more

ERROR_SXS_ASSEMBLY_MISSING (0x80073701) on Windows Server 2019

Update 2026-06-28 Thanks to reader Panos, the 2022-2025 script should now be fixed. There was an error with the regex in the script which has been corrected in the repo. Update 2026-05-19 I have one confirmation the 2022-2025 script works. The author said they had to tweak the regex in the script but didn’t provide … Read more

Windows Defender Advanced Threat Protection Service will not start after November 2021 updates

Update – 2021-12-15 – I can confirm that the December Windows Updates have fixed this issue for us.   After installing OS updates on all of our servers in November 2021 we ended up with three servers, all running 2019 Core and all Domain Controllers, where the Windows Defender Advanced Threat Protection Service would not … Read more

KB3002657 breaks everything!

Update: 2015-03-20 09:24 PST – Thank you Didi for informing us that Microsoft has released two updated hotfixes KB3002657-v2 and KB3033395-v2 that shouldn’t cause this problem. I have not had a chance to try these patches yet. Update: 2015-03-12 09:45 PST – Now that I’ve had a chance to sleep I’ve updated this post to … Read more

Workaround for 0x80248015 when trying to do Windows Updates on Server 2003

If you’re like us you probably noticed this patch Tuesday that a bunch, if not all, of your Windows 2003 servers are not able to load the Microsoft Update page. When trying to load the page the error 0x80248015 is displayed. After some Googling I’ve pieced together a workaround that will get you some updates … Read more