Unable to delete the file MozMapi32.dll
When trying to uninstall Thunderbird on your computer, the following error message on your computer : Unable to delete MozMapi32.dll.
During re-installation of Thunderbird on your computer, same refuse to get installed and display an error message telling you due writing error when opening the file MozMapi32.dll.
Solutions
Mozmapi32.dll errors are due to missing system files. In order to install and uninstall Thunderbird easily, close the program Quickcam10.exe which manage the webcam.
You may now try to restart installation. It will respond properly.