Mysqldump error

I am facing error while taking backup of maysql database
F:\mysqlbackup\july09>mysqldump -u root -p --all-databases > bug_all06july09.sql

Enter password: ****
mysqldump: Couldn't execute 'SHOW TRIGGERS LIKE 'priority'': Can't create/write
to file 'C:\WINDOWS\TEMP\#sql_84c_0.MYI' (Errcode: 17) (1)
tomar_10Asked:
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snoyes_jwCommented:
perror 17 says 'File exists' - looks like something didn't get cleaned up before. Empty the C:\Windows\Temp folder and try it again.
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tomar_10Author Commented:
i have tried but did not get sucess
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UmeshSenior Principal Technical Support EngineerCommented:
This seems to be because of the some Anti-virus system which regularly scans windows/temp directory ...
Please change the tmpdir path to some other path in your my.ini and restart MySQL and try the dump one more time

tmpdir=F:/mysqlbackup/temp

You can see similar case here..

http://bugs.mysql.com/bug.php?id=25872
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tomar_10Author Commented:
there is no tmpdir path in my.ini


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UmeshSenior Principal Technical Support EngineerCommented:
If its not there then its taking default path... which is windows/tmp... check the output of below SQL command..

show variables like 'tmpdir';

Later you can change this by adding below line to your my.ini

tmpdir=F:/mysqlbackup/temp
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tomar_10Author Commented:
Output of the command

mysql> show variables like 'tmpdir';
+---------------+-----------------+
| Variable_name | Value           |
+---------------+-----------------+
| tmpdir        | C:\WINDOWS\TEMP |
+---------------+-----------------+
1 row in set (0.00 sec)

Well i will let you know after changing the path. it require some downtime.
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UmeshSenior Principal Technical Support EngineerCommented:
on np!

Regards,
Umesh
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tomar_10Author Commented:
yes it is due to macfee only , i have changed the path.
now it is showing error to the new path.
I am using virusscan enterprise 8.5i

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UmeshSenior Principal Technical Support EngineerCommented:
Check if there is any way you can exclude the new path from scanning..
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