Author Archives: krylon

Error 0x80070643 in Windows Update for KB5034441 (and Guide to Create a Windows RE partition)

This guide is how to resolve error 0x80070643 in Windows Update when trying to install 2024-01 Security Update for Windows 10 Version 22H2 for x64-based Systems (KB5034441). The issue is related to either insufficient space in the existing recovery partition … Continue reading

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Unable to Delete Single Shadow Copy Restore Point with Error: Invalid option value.

I was looking to delete a specific restore point on a Windows 10 machine using the command line.  There are several guides available out on the web. For example: https://www.majorgeeks.com/content/page/how_to_delete_some_or_all_system_restore_points_on_windows_10.html https://softwarekeep.com/help-center/delete-windows-restore-points Also the ofifical Microsoft guide: https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/vssadmin-delete-shadows You can also … Continue reading

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Ubuntu Focal Error NO_PUBKEY B7B3B788A8D3785C When Apt Update for MySQL

I was getting this error on Ubuntu 20.04 LTS with MySQL version 8.0.35. Err:1 http://repo.mysql.com/apt/ubuntu focal InRelease The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY B7B3B788A8D3785C After some research, I tried several suggestions that … Continue reading

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Windows Store (and other Windows Apps) Crashes and Closes Automatically in Windows 10

Some background: On a Windows 10 machine I had to recreate an existing user profile  due to some corruption. I followed this guide (except for the step related to ProfileGuid in the registry, since it does not exist in Windows … Continue reading

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Run-time error ‘713’ on Windows 10

I tried running an old program and received this error message: Run-time error ‘713’ Class not registered. You need the following file to be installed on your machine. MSSTDFMT.DLL Here are the steps to solve it using an official dll … Continue reading

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EA Origin App Error for Invalid License Missing DLL gfsdk_aftermath_lib.x64.dll

You may receive an error when trying to play a game on the EA App (Origin based games). We’re sorry, an error has occurred Invalid license. Reason code = Missing DLL: [gfsdk_aftermath_lib.x64.dll] Error: 0x45A. Clicking Exit results in another error: … Continue reading

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Error Running Thaiphoon Burner on Windows 7

I was trying to run the latest Thaiphoon Burner on Windows 7 and was having no luck. At the time of this guide, the Thaiphoon Burner version was 17.4.1.2 build 0902 Final. When trying to launch, the first message was: … Continue reading

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BIOS Update for Old Supermicro X7 Based Motherboards

You might find yourself in a situation where you have an old motherboard based on a phoenixBIOS chip, and you desire to update the BIOS to the latest version. In this example, I had a Supermicro X7DWE-O.  The motherboard is … Continue reading

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Microsoft Authenticator Disable Backup Error

If using Microsoft Authenticator, you may receive the following error message when trying to remove an account: You need to disable backup to delete <account>. This can happen if you are trying to delete the account that is also acting … Continue reading

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Secure Ubuntu Server Application with Fail2ban Behind CloudFlare

One case study involved an Ubuntu 20.04 (Focal Fossa) system that was protected with Fail2fan.  However the server was also protected with Cloudflare, so there was some work needed to get the remote IP of the attacker (this topic was … Continue reading

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