Cannot load PSReadline module. Console is running without PS

Question

Hello All,

 

Getting below error when trying to open SharePoint Online Managment Shell.

Cannot load PSReadline module. Console is running without PSReadline.

Import-Module : Errors occurred while loading the format data file:

C:\Program Files\SharePoint Online Management

Shell\Microsoft.Online.SharePoint.PowerShell\Microsoft.Online.SharePoint.PowerShell.ps1xml, , C:\Program

Files\SharePoint Online Management

Shell\Microsoft.Online.SharePoint.PowerShell\Microsoft.Online.SharePoint.PowerShell.ps1xml: The file was skipped

because of the following validation exception: File C:\Program Files\SharePoint Online Management

Shell\Microsoft.Online.SharePoint.PowerShell\Microsoft.Online.SharePoint.PowerShell.ps1xml cannot be loaded. A

certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider..

At line:1 char:1

+ Import-Module Microsoft.Online.SharePoint.PowerShell -DisableNameChec ...

+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

+ CategoryInfo : InvalidOperation: (:) [Import-Module], RuntimeException

+ FullyQualifiedErrorId : FormatXmlUpdateException,Microsoft.PowerShell.Commands.ImportModuleCommand

Please suggest.