Someone, probably you, from IP address $1, has changed the email address of the account "$2" to this address on WFilter Documents and Tutorials.
To confirm that this account really does belong to you and reactivate email features on WFilter Documents and Tutorials, open this link in your browser:
$3
If the account does *not* belong to you, follow this link to cancel the email address confirmation:
$5
This confirmation code will expire at $4.