Custom Script VM extension does not work as expected

### Issue Details

I was recently sought a need to use Powershell script custom VM extension to perform a series of tasks like installation of NodeJS etc. In the same script I have a few steps for creation of a scheduled task which would run on startup. If I run the script standalone, it works fine. However, as an extension, majority of tasks pass but creation of task fails. I am using the below command to create a task.

```
$startupTrigger = New-JobTrigger -AtStartup -RandomDelay 00:00:30
Register-ScheduledJob -Trigger $startupTrigger -FilePath C:\gpsServer\GPSServer\serverStart.ps1 -Name StartHttpServer
```
Also, I am unable to copy file in logged in user's startup folder.
Please let me know if I missing something.
Thanks in advance.
Surabh

Start by reviewing the Custom Script VM extension context and the two commands using New-JobTrigger and Register-ScheduledJob. Compare their behavior with the standalone script, including access to C:\gpsServer\GPSServer\serverStart.ps1 and the logged-in user's startup folder. Done means the scheduled task is created and the file is copied when the script runs as an extension.

Written by the indexing model from the issue text.