Windows Powershell doesn't seem to accept target paths with spaces
This worked for me:
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ExecutionPolicy RemoteSigned C:\Program Files\My` Scripts\CenterCursor
Note that you will need a ` after each word (before the space) and you don't need the outer ".
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In a more general case, you can use the following syntax to run any PowerShell script with space in the path:
&("C:\any path with spaces in it\")
In your case, that would be:
&("C:\Program Files\My Scripts\CenterCursor")
Edit: this only works if you are using windows powershell
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