OhSudo — new Windows articlesNew Windows articles from OhSudo: practical fixes for DevOps engineers, SysAdmins and IT folks.https://ohsudo.com/en-usWindows Update error 0x80070643: find which update failed, then fix that onehttps://ohsudo.com/articles/windows-update-error-0x80070643/https://ohsudo.com/articles/windows-update-error-0x80070643/Fix Windows Update error 0x80070643: find the failing update, repair the component store, reset Windows Update, and handle the WinRE partition and .NET cases.Thu, 12 Nov 2026 00:00:00 GMTWindowswindows-updatedismsfcwinrewindows-servertroubleshootingcontact@ohsudo.com (OhSudo)Hyper-V "the hypervisor is not running": turn it on, in the firmware and at boothttps://ohsudo.com/articles/hyper-v-hypervisor-is-not-running/https://ohsudo.com/articles/hyper-v-hypervisor-is-not-running/Fix Hyper-V "Virtual machine could not be started because the hypervisor is not running": enable virtualization in the firmware, set hypervisorlaunchtype to auto.Tue, 10 Nov 2026 00:00:00 GMTWindowshyper-vwindows-servervirtualizationbcdedittroubleshootingcontact@ohsudo.com (OhSudo)Windows "The specified domain either does not exist or could not be contacted": it's usually DNShttps://ohsudo.com/articles/windows-specified-domain-does-not-exist-could-not-be-contacted/https://ohsudo.com/articles/windows-specified-domain-does-not-exist-could-not-be-contacted/Fix "The specified domain either does not exist or could not be contacted" when joining a domain: point DNS at a domain controller, test the SRV records, ports and time.Mon, 09 Nov 2026 00:00:00 GMTWindowsactive-directorywindows-serverdnsdomain-jointroubleshootingcontact@ohsudo.com (OhSudo)PowerShell "is not recognized as the name of a cmdlet": find out why it can't see the commandhttps://ohsudo.com/articles/powershell-is-not-recognized-as-the-name-of-a-cmdlet/https://ohsudo.com/articles/powershell-is-not-recognized-as-the-name-of-a-cmdlet/Fix PowerShell "is not recognized as the name of a cmdlet, function, script file": check the spelling, PATH, the .\ prefix for scripts and missing modules, step by step.Sat, 07 Nov 2026 00:00:00 GMTWindowspowershellwindowspathmodulestroubleshootingcontact@ohsudo.com (OhSudo)DISM error 0x800f081f "The source files could not be found": give Windows a matching sourcehttps://ohsudo.com/articles/dism-0x800f081f-source-files-could-not-be-found/https://ohsudo.com/articles/dism-0x800f081f-source-files-could-not-be-found/Fix DISM /RestoreHealth error 0x800f081f "The source files could not be found": point it at a matching install.wim, allow Windows Update, and repair with SFC afterwards.Fri, 06 Nov 2026 00:00:00 GMTWindowswindows-serverdismsfcwindows-updaterepairtroubleshootingcontact@ohsudo.com (OhSudo)IIS "HTTP Error 500.19" and "503 Service Unavailable": read the code, then fix web.config or the app poolhttps://ohsudo.com/articles/iis-http-error-500-19-503-service-unavailable/https://ohsudo.com/articles/iis-http-error-500-19-503-service-unavailable/Fix IIS "HTTP Error 500.19" by its error code (a missing module, a bad web.config, permissions) and "503 Service Unavailable" by finding why the app pool stopped.Fri, 06 Nov 2026 00:00:00 GMTWindowsiiswindows-serverweb-configasp-netapp-pooltroubleshootingcontact@ohsudo.com (OhSudo)Windows "System error 53" and "System error 5" with net use: the network path, and access deniedhttps://ohsudo.com/articles/windows-system-error-53-net-use/https://ohsudo.com/articles/windows-system-error-53-net-use/Fix net use "System error 53: The network path was not found" and "System error 5: Access is denied": check DNS, ports 445 and 139, the share and your credentials.Fri, 06 Nov 2026 00:00:00 GMTWindowswindows-serversmbnet-usefile-sharingfirewalltroubleshootingcontact@ohsudo.com (OhSudo)PowerShell "running scripts is disabled on this system": fix the execution policy safelyhttps://ohsudo.com/articles/powershell-running-scripts-is-disabled/https://ohsudo.com/articles/powershell-running-scripts-is-disabled/Fix PowerShell "cannot be loaded because running scripts is disabled": check the execution policy, use RemoteSigned for your user, and unblock downloaded scripts.Thu, 05 Nov 2026 00:00:00 GMTWindowswindowspowershellexecution-policyscriptsnpmtroubleshootingcontact@ohsudo.com (OhSudo)RDP "An authentication error has occurred": CredSSP encryption oracle and other causeshttps://ohsudo.com/articles/rdp-authentication-error-credssp-encryption-oracle/https://ohsudo.com/articles/rdp-authentication-error-credssp-encryption-oracle/Fix Remote Desktop "An authentication error has occurred" and "CredSSP encryption oracle remediation": update both machines, check NLA, passwords, time and port 3389.Thu, 05 Nov 2026 00:00:00 GMTWindowswindowswindows-serverrdpremote-desktopcredsspsecuritytroubleshootingcontact@ohsudo.com (OhSudo)Windows "The RPC server is unavailable" (0x800706BA): how to find what blocks ithttps://ohsudo.com/articles/windows-rpc-server-is-unavailable-0x800706ba/https://ohsudo.com/articles/windows-rpc-server-is-unavailable-0x800706ba/Fix "The RPC server is unavailable" (0x800706BA, error 1722): check the name, port 135, the dynamic ports, the firewall rules and the RPC services, step by step.Thu, 05 Nov 2026 00:00:00 GMTWindowswindows-serverrpcwmiactive-directoryfirewalltroubleshootingcontact@ohsudo.com (OhSudo)Windows "The trust relationship between this workstation and the primary domain failed": fix it without rejoininghttps://ohsudo.com/articles/windows-trust-relationship-primary-domain-failed/https://ohsudo.com/articles/windows-trust-relationship-primary-domain-failed/Fix "The trust relationship between this workstation and the primary domain failed": repair the computer account password with PowerShell, without rejoining the domain.Thu, 05 Nov 2026 00:00:00 GMTWindowswindowswindows-serveractive-directorypowershelldomaintroubleshootingcontact@ohsudo.com (OhSudo)WSL "WslRegisterDistribution failed with error: 0x80370102": turn on virtualizationhttps://ohsudo.com/articles/wsl-wslregisterdistribution-failed-0x80370102/https://ohsudo.com/articles/wsl-wslregisterdistribution-failed-0x80370102/Fix WSL "WslRegisterDistribution failed with error: 0x80370102": enable virtualization in the firmware, Virtual Machine Platform, the hypervisor or nested virtualization.Thu, 05 Nov 2026 00:00:00 GMTWindowswslwindowshyper-vvirtualizationubuntutroubleshootingcontact@ohsudo.com (OhSudo)