Install this module failed

[chucklu]

related to this issue PowerShell/PowerShell#7811 (comment)
what's the module repositories?

~\Desktop> Install-Module -Name WindowsCompatibility
PackageManagement\Install-Package : No match was found for the specified search criteria and module name 'WindowsCompatibility'. Try Get-PSRepository to see all available registered module repositories.
At C:\program files\powershell\6\Modules\PowerShellGet\PSModule.psm1:9491 char:21
+ ...          $null = PackageManagement\Install-Package @PSBoundParameters
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Microsoft.Power....InstallPackage:InstallPackage) [Install-Package], Exception
+ FullyQualifiedErrorId : NoMatchFoundForCriteria,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallPackage

~\Desktop> Get-PSRepository
WARNING: Unable to find module repositories.

~\Desktop> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      6.1.0
PSEdition                      Core
GitCommitId                    6.1.0
OS                             Microsoft Windows 10.0.16299
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

[chucklu]

@alexandair

~\Desktop> Find-Module WindowsCompatibility
PackageManagement\Find-Package : No match was found for the specified search criteria and module name 'WindowsCompatibility'. Try Get-PSRepository to see all available registered module repositories.
At C:\program files\powershell\6\Modules\PowerShellGet\PSModule.psm1:8821 char:3
+         PackageManagement\Find-Package @PSBoundParameters | Microsoft ...
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Microsoft.Power...ets.FindPackage:FindPackage) [Find-Package], Exception
+ FullyQualifiedErrorId : NoMatchFoundForCriteria,Microsoft.PowerShell.PackageManagement.Cmdlets.FindPackage

[alexandair]

Try Get-PSRepository to see all available registered module repositories.

[chucklu]

@alexandair where is the location of module repositories?

~\Desktop> Get-PSRepository
WARNING: Unable to find module repositories.

[chucklu]

@SteveL-MSFT Do you know where is the module repositories?
What Get-PSRepository for? like NuGet?

[SteveL-MSFT]

@chucklu I don't know why you aren't showing any repositories, but you can do Register-PSRepository -Default to get PowerShell gallery back

[chucklu]

Hi @SteveL-MSFT ,
After Register-PSRepository -Default still the same error.
Where is the source code of Register-PSRepository function? I want to check the source code.

~\Desktop> Register-PSRepository -Default
~\Desktop> Get-PSRepository
WARNING: Unable to find module repositories.

[SteveL-MSFT]

@chucklu see https://github.com/PowerShell/PowerShellGet/blob/37f2a3f477213be79104695235c8b3ab5eae6e38/PowerShellGet/public/psgetfunctions/Register-PSRepository.ps1

[SteveL-MSFT]

@chucklu this appears to be an issue with PowerShellGet. I would suggest opening an issue there to continue this discussion. Closing this issue in this repo.

[chucklu]

@SteveL-MSFT I have checked the parameters for the Register-PSRepositor, I have a default proxy on my computer, so it could be the proxy problem.
I will open a new issue on PowerShellGet repository.

~\source\repos\GitHub\Other\PowerShellGet [development ≡ +0 ~2 -0 !]> ((Get-Command -Name Register-PSRepository).Parameters).Keys
Name
SourceLocation
PublishLocation
ScriptSourceLocation
ScriptPublishLocation
Credential
Default
InstallationPolicy
Proxy
ProxyCredential
PackageManagementProvider
Verbose
Debug
ErrorAction
WarningAction
InformationAction
ErrorVariable
WarningVariable
InformationVariable
OutVariable
OutBuffer
PipelineVariable

[chucklu]

Hi @SteveL-MSFT , @alexandair
I have register the ps repository successfully.

~\source\repos\GitHub\Other\PowerShellGet [development ≡]> Get-PSRepository

Name                      InstallationPolicy   SourceLocation
----                      ------------------   --------------
PSGallery                 Untrusted            https://www.powershellgallery.com/api/v2

However, when I try to install this module , still failed

~\source\repos\GitHub\Other\PowerShellGet [development ≡]> Install-Module -Name WindowsCompatibility
WARNING: Unable to resolve package source 'https://www.powershellgallery.com/api/v2'.
PackageManagement\Install-Package : No match was found for the specified search criteria and module name 'WindowsCompatibility'. Try Get-PSRepository to see all available registered module repositories.
At C:\Users\clu\source\repos\GitHub\Other\PowerShellGet\PowerShellGet\public\psgetfunctions\Install-Module.ps1:169 char:21
+ ...          $null = PackageManagement\Install-Package @PSBoundParameters
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : ObjectNotFound: (Microsoft.Power....InstallPackage:InstallPackage) [Install-Package], Exception
+ FullyQualifiedErrorId : NoMatchFoundForCriteria,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallPackage

After check the parameters of the Install-Module , it still need the proxy parameter.

[chucklu]

~\source\repos\GitHub\Other\PowerShellGet [development ≡]> Install-Module -Name WindowsCompatibility -Proxy "http://domain:port"

Untrusted repository
You are installing the modules from an untrusted repository. If you trust this repository, change its InstallationPolicy value by running the Set-PSRepository cmdlet. Are you sure you want to install the modules from 'PSGallery'?
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "N"): a

It works now

[SteveL-MSFT]

@chucklu glad you solved it! Seems like a better error message should have been given if it can't connect to the gallery due to proxy

[chucklu]

@SteveL-MSFT I have submit a new issue in https://github.com/PowerShell/PowerShellGet about using the default proxy.
NuGet works fine with my default proxy, I don't need to specify the proxy for it manually.