The following packages will be REMOVED:
  mysql-server-5.0{u}
The following packages will be upgraded:
  ifupdown libidn11 python-central
3 packages upgraded, 105 newly installed, 1 to remove and 181 not upgraded.
Need to get 0B/153MB of archives. After unpacking 264MB will be used.
Do you want to continue? [Y/n/?] Y
Writing extended state information... Done
Extracting templates from packages: 100%
Preconfiguring packages ...
(Reading database ... 49829 files and directories currently installed.)
Removing mysql-server-5.0 ...
Stopping MySQL database server: mysqld failed!
invoke-rc.d: initscript mysql, action "stop" failed.
dpkg: error processing mysql-server-5.0 (--remove):
 subprocess installed pre-removal script returned error exit status 1
Stopping MySQL database server: mysqld failed!
invoke-rc.d: initscript mysql, action "stop" failed.
Starting MySQL database server: mysqld already running.
/usr/bin/mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'debian-sys-maint'@'localhost' (using password: YES)'
Errors were encountered while processing:
 mysql-server-5.0
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install.  Trying to recover:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
Reading task descriptions... Done