Working copy XXX locked and cleanup failed in SVN

Question

I get this error when I do an svn update:

Working copy XXXXXXXX locked Please execute \"Cleanup\" command

When I

Answer 1

Do not delete your solution!

in the .svn folder you have a file called lock it is 0 bytes long

You can delete all these files from all the .svn folders in your solution and it will work

It worked in my case