Hi,
I have just recently install the Power Platform Build Tools (1.0.17) and it seems to keep failing at the Power Platform Tool Installer.

The detail error is
2020-10-30T15:37:24.2031515Z ##[debug]The -Repository parameter was not specified. PowerShellGet will use all of the registered repositories.
2020-10-30T15:37:24.4031134Z ##[debug]Getting the provider object for the PackageManagement Provider 'NuGet'.
2020-10-30T15:37:24.4202455Z ##[debug]The specified Location is 'https://www.powershellgallery.com/api/v2' and PackageManagementProvider is 'NuGet'.
2020-10-30T15:37:24.5812626Z ##[debug]00:03:09.4539648 PackageProvider::FindPackage with name Microsoft.PowerApps.Administration.PowerShell
2020-10-30T15:37:24.6064328Z ##[debug]00:03:09.4757855 Calling 'NuGet'::'FindPackage' - name='Microsoft.PowerApps.Administration.PowerShell', requiredVersion='2.0.92',minimumVersion='', maximumVersion='''.
2020-10-30T15:37:24.6206836Z ##[debug]00:03:09.4926102 Iterating 'Microsoft.PowerApps.Administration.PowerShell'.
2020-10-30T15:37:24.6876257Z ##[debug]00:03:09.5604338 Create directory 'C:\Users\VssAdministrator\AppData\Roaming\NuGet'.
2020-10-30T15:37:24.7001588Z ##[debug]00:03:09.5657630 Create a file 'C:\Users\VssAdministrator\AppData\Roaming\NuGet\nuget.config'.
2020-10-30T15:37:24.7047391Z ##[debug]00:03:09.5781449 Calling 'NuGetRequest'::'RegisteredPackageSources', 'C:\Users\VssAdministrator\AppData\Roaming\NuGet\nuget.config'.
2020-10-30T15:37:24.7137124Z ##[debug]00:03:09.5824338 Loading a configuration from file 'C:\Users\VssAdministrator\AppData\Roaming\NuGet\nuget.config'.
2020-10-30T15:37:24.7181214Z ##[debug]00:03:09.5916064 Loaded a configuration from file 'C:\Users\VssAdministrator\AppData\Roaming\NuGet\nuget.config'.
2020-10-30T15:37:24.7317591Z ##[debug]00:03:09.5969989 There are '0' registered sources in 'NuGet' provider.
2020-10-30T15:37:24.7395096Z ##[debug]00:03:09.6074238 Source 'https://www.powershellgallery.com/api/v2' is not one of the registered sources in 'NuGet' provider.
2020-10-30T15:39:04.7614161Z ##[debug]A task was canceled.
Attached is the complete log for the Power Platform Tools Installer step.
Thanks in advance.
Regards,
Kengie