When using a cleaner function and deleting the unnecessary file in a system, the profile file "prefs.js" of Thunderbird mail is destroyed.
Therefore, the phenomenon it becomes impossible to display e-mail data has occurred after this work.
Use OS is Windows10.
CCleaner v5.37.6309 destroys the profile of Thunderbird.
in CCleaner Bug Reporting
Posted
When using a cleaner function and deleting the unnecessary file in a system, the profile file "prefs.js" of Thunderbird mail is destroyed.
Therefore, the phenomenon it becomes impossible to display e-mail data has occurred after this work.
Use OS is Windows10.