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VSC PowerShell. After npm updating packages .ps1 cannot be loaded because running scripts is disabled on this system

Full error message
I design websites in VSC and PowerShell is my default terminal.

After updating and deploying a website to firebase earlier, I was prompted to update firebase tools - which I did using npm. Immediately after I cannot run/access any firebase scripts wthout the folllowing error:

firebase : File C:\Users\mada7\AppData\Roaming\npm\firebase.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170. At line:1 char:1

firebase
  + CategoryInfo          : SecurityError: (:) [], PSSecurityException
  + FullyQualifiedErrorId : UnauthorizedAccess

I've spent a few hours searching around and can't find a solid answer the problem. Many threads are several years old and I find it bizarre I've not had this problem in the past year until today.
I can still access firebase scripts if I set my default terminal to cmd.

Assuming the problem was related to firebase-tools I've carried on working but have now updated vue.js and get the error again when trying to run any vue commands in powershell:

vue : File C:\Users\mada7\AppData\Roaming\npm\vue.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170. At line:1 char:1

vue
  + CategoryInfo          : SecurityError: (:) [], PSSecurityException
  + FullyQualifiedErrorId : UnauthorizedAccess

VSCode Version:
Version: 1.37.1 (user setup)
Commit: f06011a
Date: 2019-08-15T16:17:55.855Z
Electron: 4.2.7
Chrome: 69.0.3497.128
Node.js: 10.11.0
V8: 6.9.427.31-electron.0
OS: Windows_NT x64 10.0.18362
OS Version:
Windows 10 Home
Version - 1903
OS build - 18362.295

I've been reading around and seen many threads around permissions for scripts, but I haven't changed any - indeed the PowerShell scripts worked right up until I updated my packages. No other settings touched in the mean time. I don't want to be changing PowerShell settings unnecessarily.

This is a powershell security policy, to fix it, run Powershell as administrator and run the following PS C:\> Set-ExecutionPolicy RemoteSigned If you don't want to run the command as an administrator but just for the current user, you can add a scope like below PS C:\> Set-ExecutionPolicy RemoteSigned -Scope CurrentUser The stricter the policy, the more secure your system becomes. You can change RemoteSigned to other options like: Restricted, AllSigned, RemoteSigned, Unrestricted Source: https://tecadmin.net/powershell-running-scripts-is-disabled-system/ Alternatively you can modify C:\Program Files\PowerShell\7\powershell.config.json using a text editor and add or modify the following section. { .... "Microsoft.PowerShell:ExecutionPolicy": "RemoteSigned" } You can also run your script without modifying security policies by using the command prompt as noted by ztom's answer here.

API access

Get this solution programmatically \u2014 free, no authentication.

curl https://depscope.dev/api/error/80875798d3d955da31d710e455ab78b321cea6691260715c01745fbf5c2e014e
hash \u00b7 80875798d3d955da31d710e455ab78b321cea6691260715c01745fbf5c2e014e
VSC PowerShell. After npm updating packages .ps1 cannot be l… — DepScope fix | DepScope