In order to prevent malicious programs or more precisely scripts from being executed in an improper way on your system, Powershell security policy triggers the error: Running scripts is disabled on this system. All the scripts which are not signed willalso be blocked. In such circumstances, the execution policy is set as ‘Restricted’ which is the default mode.
In order to modify these policies, you can use the cmdlet Set-ExecutionPolicy.
Read: An introduction to Windows PowerShell for beginners
To check first the current active policy, you may want to run the cmdlet Get-ExecutionPolicy as follows:
c:/> Get-ExecutionPolicy
This will return the code: Restricted
Now execute the cmdlet:
c:/> Set-ExecutionPolicy RemoteSigned
For your information, here are the types of permissions that you can use with this cmdlet:
Read: Linux Bash usage tips
Restricted
It does not run any Powershell configuration scripts and/or files .
All Signed
It only executes configuration scripts and/or files that are only signed by a trusted publisher.
Remote Signed
Local or custom scripts must be signed beforehand by a trusted publisher.
Unrestricted
Loads and executes all PowerShell configuration scripts .
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