I also get the following Terminal output in Lubuntu 13.10 while running the razorqt desktop :

Uninstalling and reinstalling the menu package does not help in Lubuntu 13.10.

$ sudo apt-get install --reinstall menu
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 455 kB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://nl3.archive.ubuntu.com/ubuntu/ saucy/universe menu amd64 2.1.46ubuntu1 [455 kB]
Fetched 455 kB in 0s (1,003 kB/s)
(Reading database ... 239229 files and directories currently installed.)
Preparing to replace menu 2.1.46ubuntu1 (using .../menu_2.1.46ubuntu1_amd64.deb) ...
Unpacking replacement menu ...
Processing triggers for install-info ...
Processing triggers for man-db ...
Setting up menu (2.1.46ubuntu1) ...
Processing triggers for menu ...
/usr/share/menu/lxrandr: missing required tag: "section"
Skipping file because of errors...
$ 



$ sudo apt-get remove  menu
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  bleachbit bum menu
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
After this operation, 4,270 kB disk space will be freed.
Do you want to continue [Y/n]? ^Culysses@ulysses-Latitude-E6500:~$ sudo apt-get purge  menu
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  bleachbit* bum* menu*
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
After this operation, 4,270 kB disk space will be freed.
Do you want to continue [Y/n]? Y
(Reading database ... 239228 files and directories currently installed.)
Removing bleachbit ...
Purging configuration files for bleachbit ...
Removing bum ...
Removing menu ...
Purging configuration files for menu ...
Processing triggers for desktop-file-utils ...
Processing triggers for mime-support ...
Processing triggers for man-db ...
Processing triggers for install-info ...
$ 


$ sudo apt-get install menu bleachbit
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Suggested packages:
  menu-l10n
The following NEW packages will be installed:
  bleachbit menu
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 365 kB/820 kB of archives.
After this operation, 3,738 kB of additional disk space will be used.
Get:1 http://nl3.archive.ubuntu.com/ubuntu/ saucy/universe bleachbit all 0.9.6-1 [365 kB]
Fetched 365 kB in 0s (777 kB/s)   
Selecting previously unselected package menu.
(Reading database ... 238846 files and directories currently installed.)
Unpacking menu (from .../menu_2.1.46ubuntu1_amd64.deb) ...
Selecting previously unselected package bleachbit.
Unpacking bleachbit (from .../bleachbit_0.9.6-1_all.deb) ...
Processing triggers for install-info ...
Processing triggers for man-db ...
Processing triggers for desktop-file-utils ...
Processing triggers for mime-support ...
Setting up menu (2.1.46ubuntu1) ...
Processing triggers for menu ...
/usr/share/menu/lxrandr: missing required tag: "section"
Skipping file because of errors...
Setting up bleachbit (0.9.6-1) ...
Processing triggers for menu ...
/usr/share/menu/lxrandr: missing required tag: "section"
Skipping file because of errors...