Author Archives: krylon

Windows Update Code 780 for Two Office 2010 Updates

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

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MemTest86 Freeze After Test 0

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

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Ubuntu Guest VM Random Freezing Lockups on ESXi 6.5

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

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Steps to Downgrade MongoDB on Ubuntu (for UniFi Controller)

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

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Restore Default Certificate Deployment Level for RemoteApp (Windows Server 2012 R2)

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

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Inject Drivers into a Windows 7 PE Image

One scenario – booting a system using a USB Windows PE flash drive, the same flash drive then could not be read within Windows PE. This was because the PE image had no USB 3.0 drivers. The solution was to … Continue reading

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Create a Windows 7 PE Bootable USB Flash Drive (32 bit and 64 bit)

Download Windows 7 AIK ISO file https://www.microsoft.com/en-us/download/details.aspx?id=5753 Burn the ISO or extract it to a folder (e.g., using 7zip) Run StartCD.exe Choose the “Windows AIK Setup” option When complete, navigate to Start->all programs -> Microsoft Windows AIK -> Deployment Tools … Continue reading

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Flash Dell PERC H310 to LSI 9211-8i IT Mode Using Legacy (DOS) and UEFI Method (HBA Firmware + BIOS)

Update 18-Aug-2019: added mouse initialization error, page parameter, Exit Code error and P20 BIOS and FW zip file. A duplicate file was also removed from the Support Files zip file. This procedure is a combination of using the Legacy (DOS) … Continue reading

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Unable to log in to Windows because “The Group Policy Client service failed the logon. Access is denied.”

When trying to log in to Windows (in this case Windows 7 using a domain account) you may receive the following error This particular situation occurred after a reboot following the installation of the latest Windows updates. There are several … Continue reading

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How to Factory Wipe Settings and Data for Asus MeMo Pad

I could not find a reliable procedure for performing a factory reset / restore on these devices, so I have put one together. The official procedure from Asus did not work for me. This has been tested specifically with the … Continue reading

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