I installed on app called "catblock", then I want to remove it in App.manager, But it failed and App.manager auto closed with an error tip: internal error.
This error lead to Upgrade failed.

Then I try to remove it in terminal with command: sudo apt-get purge catblock. failed too. error is :
Reading package lists...
Building dependency tree...
Reading state information...
The following packages will be REMOVED:
catblock*
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
1 not fully installed or removed.
After this operation, 139kB disk space will be freed.
Do you want to continue [Y/n]? (Reading database ... 27958 files and directories currently installed.)
Removing catblock ...
dpkg (subprocess): unable to execute pre-removal script: No such file or directory
dpkg: error processing catblock (--purge):
subprocess pre-removal script returned error exit status 2
dpkg (subprocess): unable to execute post-installation script: No such file or directory
dpkg: error while cleaning up:
subprocess post-installation script returned error exit status 2
Errors were encountered while processing:
catblock

Does anyone has good idea to remove this app ?