Author Archives: krylon

New install of Windows Server 2016 (build 14393.447 from ISO SW_DVD9_Win_Svr_STD_Core_and_DataCtr_Core_2016_64Bit_English_-3_MLF_X21-30350 with no updates) had an issue where Windows Updates would hang / freeze indefinitely at 0% progress.  When Windows Update ran it would briefly flash a list of updates that … Continue reading →

Attempting to activate / convert an evaluation copy of Windows Server 2016 (specific build 14393.rs1_release.161220-1747) to the full version using a valid retail key, resulted in the following error: This edition cannot be upgraded. A solution is to perform the … Continue reading →

Brand new install of Windows 2016 Server Evaluation without any updates installed, specific build 14393.rs1_release.161220-1747 (also 14393.447)  Attempting to remote desktop to the server from a Windows 10 client resulted in an error: An authentication error has occurred. The function … Continue reading →

QuickCam 4000 shows up as “Unknown device” in Windows 7 Device Manager (USB\VID_046D&PID_08B2) Download the 64-bit driver from Logitech ftp://ftp.logitech.com/pub/techsupport/quickcam/qc1051enu_x64.exe Unpack this .exe file to a folder using 7zip, WinRAR, etc. In Device Manager right click the device, update driver, … Continue reading →

Group Policy options will let you disable the button for error reporting to Microsoft (Check online for a solution and close the program) but there is no option in Group Policy to disable the debugging button. To disable the “Debug … Continue reading →

Strange issue with Windows Update occurred. In this case Windows Server 2012 R2 was trying to install 2 updates for Office 2010 but was failing. KB4461579 failed with Code 780KB2553332 failed with Code 780 First it turned out that a … Continue reading →

Background information:  swapped out a CPU during an upgrade (old CPU DDR3-1333, new CPU DDR3-1600). After that the system was booted using an Ubuntu Live CD without any obvious problems, but ESXi installer was crashing with Pink Screen of Death … Continue reading →

Ubuntu Server 17.10 was randomly freezing / locking up after periods of time, even if left idle.  The solution for this VM was to change the type of network adapter assigned to the guest. By default, ESXi 6.5 will assign … Continue reading →

This is an example for downgrading from MongoDB version 3.6 to version 3.4 in Ubuntu 18.04 LTS, but it can be adapted for any combination of versions. Remove old versions. Since this was done for a compatibility issue with UniFI … Continue reading →

This guide details how to change the certificate deployment level of a Windows Server 2012 R2 RD system from “Trusted” back to the default configuration of “Not Configured.”    The main problem is that the Windows GUI does not allow … Continue reading →