Windows 10: Environment Variables Problem

Yesterday, i changed System Environment Variables to include node.js and now i can’t open SEV or command prompt and many other system apps. I tried in many ways opening SEV to edit them but i am unable to open it with admin rights even though i have them. When i try to open SEV normally, in the Search, i get « Windows cannot find %windir%\system32\SystemPropertiesAdvanved.exe ». I tried reseting the PC but the Get Started button just wont work. What do i do? Help please…

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System environment variable won't stick

Running Win10 Home on an Acer Spin 3, 64bit, i7cpu. I try to add a path to the system environment variables by:

1. Control Panel > System > Advanced system settings > Advanced tab > Environment variables

2. The "Environment Variables" window opens.
3. In the "System Variables" pane I select "Path" and click the EDIT button.
4. A list of the current system paths is displayed.
5. I click the NEW button, browse to the path I want to add which is "C:\Python36-32" and click OK. The path "C:\Python36-32" is added to the list of current system paths.
6. I click OK and am returned to the "Environment Variables" window.
7. I click the "X" at the top right to close the "Environment Variables" window.

Now if I click the "Environment Variables" button again (end of step-1) and repeat steps 2-4, the new path I added in step-5 is gone. IOW, adding a new path won't stick.

What am I doing wrong?

 

Searching environment variable in list

I'm using a command that gives me a list of environment variables. When searching in the list, I want to find all environment variables with the word
EXTERNAL; using the following command all that is occurring is all the environment variables are being listed instead of those environment variables with the word
EXTERNAL ?

findstr /c "EXTERNAL"

 

Environment Variable

Hi,

I accidentally deleted the entire environment variables on my windows 10 PC. Resetting the Pc is creating a lot of problems. The reset page would only load 47% and prompted me with a message "undoing changes." Is there a way someone can suggest to resolve
this problem?