- if installed using the window installer, there should be an uninstall
  option. or you can use:
  start menu ->settings->control panel->add/remove programs
 
- if the neither of the above works. just delete the files/folders
  associated with tkblog. you can manually delete any leftover  registry
  entries the install program might have left if a regclean  program
  doesn't work.
 
- if you installed with the zip or tar.gz. you can delete all the files and
  folders associated with tkblog.