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Update-Module – PackageManagement\Install-Package : Unable to find repository

I was installing newest version of my PSWinDocumentation module on Windows 2016 when I noticed I can't really get anything to update. I was getting message as below which seemed a bit weird because it was working few minutes ago and only thing I did is to change trust for PowerShellGallery.

Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted
What isn't working?

PackageManagement\Install-Package : Unable to find repository ‘https://www.powershellgallery.com/api/v2/'. Use Get-PSRepository to see all available repositories.
At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\2.0.1\PSModule.psm1:13000 char:20
+ … $sid = PackageManagement\Install-Package @PSBoundParameters
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (Microsoft.Power….InstallPackage:InstallPackage) [Install-Package], Exception
+ FullyQualifiedErrorId : SourceNotFound,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallPackage

PackageManagement\Install-Package : Unable to find repository 'https://www.powershellgallery.com/api/v2/'. Use Get-PSRepository to see all available repositories.
At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\2.0.1\PSModule.psm1:13000 char:20
+ ...           $sid = PackageManagement\Install-Package @PSBoundParameters
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (Microsoft.Power....InstallPackage:InstallPackage) [Install-Package], Exception
    + FullyQualifiedErrorId : SourceNotFound,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallPackage

Trying suggested way I've verified that PSGallery settings are actually correct and as expected.

What was even weirder Install-Module worked as designed.

PS C:\Windows\system32> update-module pswindocumentation
PackageManagement\Install-Package : Unable to find repository 'https://www.powershellgallery.com/api/v2/'. Use
Get-PSRepository to see all available repositories.
At C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\2.0.1\PSModule.psm1:13000 char:20
+ ...           $sid = PackageManagement\Install-Package @PSBoundParameters
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (Microsoft.Power....InstallPackage:InstallPackage) [Install-Package], Ex
   ception
    + FullyQualifiedErrorId : SourceNotFound,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallPackage

PS C:\Windows\system32> install-module pswindocumentation
PS C:\Windows\system32> install-module pswindocumentation -force
PS C:\Windows\system32>

How can I fix it?

While I've finally fixed this issue I'm not sure which of the steps I did had the right impact. Therefore… worst case scenario … do it all.

Unregister and Register PowerShell Gallery

This actually unregisters PowerShellGallery and registers it back. This should work when the bug in PowerShellGet will be fixed.

Unregister-PSRepository -Name 'PSGallery'
Register-PSRepository -Default
Unregister and Register PowerShell Gallery as an alternative

This actually unregisters PowerShellGallery and registers it back but as an alternative source. It adds missing slash so make sure you add it with https://www.powershellgallery.com/api/v2/, not https://www.powershellgallery.com/api/v2

Unregister-PSRepository -Name 'PSGallery'
Register-PSRepository -Name 'PSGallery-Alternative' -SourceLocation 'https://www.powershellgallery.com/api/v2/' -InstallationPolicy Trusted

This issue can be visible on the screen below. First, we have a working PowerShell Repository, then it's unregistered and when you register it back it's missing slash.

Uninstall PowerShellGet module, install it back

Uninstall-Module PowerShellGet
Install-Module PowerShellGet -Force

This is my top choice to fix this. I actually did this couple of times with closing PowerShell window and without getting always same message. Finally I went for reboot. Which makes sense because the very package responsible for updating was busy updating.

Finally Reboot

As with any critical system problems a reboot is good way to have a clean start. Some settings can't update while system is running.

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