Case folding collision in Mercurial (WinXP)

[Igor Kostenko]

>   I've had the same problem, could not update because of case folding 
collision.
>   After I did   "hg debugsetparents" , "hg debugrebuildstate" and "hg remove 
-A"  then "hg commit", I was eventually able to do update.
>   But when I try to switch to a named branch, I get the same error.
>   hg update default  // works fine
>   hg update MY_BRANCH //  produces the same "Case folding collision" error.
>   The workaround  doesn't affect branches and is applied only to the default 
branch.

I usually resolve such situation on linux - you could update there, fix 
repository and then update on windows will work too.
But it not good when you could easy create repository on windows which could be 
fixed only on linux.