Microsoft Windows Vista Error 0x80070091 and Cygwin

In Windows Vista I installed JBoss.  When I then logged in as another user for some reason all the JBoss directories had no permissions, i.e. their permissions were 000.  I ignored this and went ahead and copied one of the server directories.  Then I tried to go into the copied server directory and could not.

Thinking something was funky I tried to delete the whole JBoss directory but got this maddening and uninformative window.

Microsoft Windows Vista Error 0x80070091

I googled for a long time but could not find a satisfying solution.  I gave myself full control permissions for all files and folders but that did not help.  Then I noticed that if I clicked on one of the directories that Windows Vista was not letting me delete I would be prompted for permission to enter this directory.  Then I would repeat this process for all directories within.  After doing this I could delete that directory.

I then looked in Cygwin and found out what Vista had done, it had simply given the directory read and write permission.

Therefore the simple solution was to do the following:

chmod -R 500 .

After doing that simple change I could remove everything.

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