Dear Community,
I used neo4J 1.5.7 in february fine.
Today, I ran it, and it required update to 1.5.8 .
Now, any time I'm trying to run a project, I got 
DBMS Movie DBMS can not be started due to conflicts with external processes.
To fix this problem, let us change these port configurations:
I'm working on windows 10 Family,
Sorry I'm not very tech savy, so if your answer could be detailed, that could help.
I tried understand this but couln't figure out.
I removed 1.5.8, reinstalled it,no result. I tried reinstall the older version, no result.
If this topic is not at the right place, i'd be happy to move it.
Thanks in advance !
It seems like you have another version of the neo4j running that has captured port 7689, so the new instance can't start.
This article has instructions to see what processes are using which ports. Look for port 7689 in the results.
7689
Thanks a lot for the help.
Although, I don't get how another version of neo4j could be running when I restart the computer.
I did a very thoroughly clean, not just desintalling, removing every piece I could find after desintallation. Also, I stopped my VPN.
I'm now running v1.5.8, and it's working.
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If you were using the server version (not desktop), maybe it was installed as a service, so it starts each time your computer starts.
Well, you got it to works. That is what counts.