Purging Old and Invalid User Names With Spaces

[Keith Mitchell]

In am running Windows XP SP2. I was having trouble with applications 
running under CygWin because I originally had spaces in my user names. I 
changed all the user names on my system, eliminating all the spaces in 
the user names. I then rebooted the computer just in case. Nothing 
changed. I then deleted my whole CygWin installation and reinstalled 
everything fresh from the web from scratch. Things were still broken in 
the same way!! I checked /etc/passwd file. All the user names were 
wrong. The user names were the same old user names I had in place before 
I changed the names eliminating the spaces. I do not know where CygWin 
found a list of those old and obsolete user names containing spaces, but 
it did find them somewhere. (probably in the registry). And it used them.

My question. How can I purge those old and now invalid user names so 
CygWin uses only the current, correct, and valid user names, user names 
without spaces?

Thanks.

Keith Mitchell


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