TortoiseSVN で"既に存在するファイルを作成することはできません。"というエラー

TortoiseSVN でリポジトリをチェックアウトすると以下のエラー．

"既に存在するファイルを作成することはできません。"
というエラー

subversion already exists でググると，
ウイルス対策ソフトを外せと．
ビンゴだ．Josh．

Subversion Users: Re: Error on checkout, update, etc. SVN complains that entries file already exists
http://svn.haxx.se/users/archive-2005-11/0447.shtml

> I have recently installed subversion on a windows XP (SP2) computer and use

> the software in local mode, meaning the repository is on the local file

> system. Recently I erased my entire working directory and attempted to

> perform a clean checkout. I received the following error message:
> Error: Can't move 'C:\Projects\SJM\.svn\tmp\entries' to

>

> Error: 'C:\Projects\SJM\.svn\entries': Cannot create a file when that file

> already

>

> Error: exists.

>

[snip]
Do you have anti-virus software running? Occasionally this can cause

problems with the moves svn does. If yes, try disabling the virus auto

checking and make sure it's not in the background and try again.
Josh