FireFox/Google Chrome安裝版的個人資料可以用CCleaner刪除...

以下是從官網上提到CCleaner可以刪除的

Cleans all areas of your Computer

Internet Explorer
Temporary files, history, cookies, Autocomplete form history, index.dat.

Firefox
Temporary files, history, cookies, download history, form history.

Google Chrome
Temporary files, history, cookies, download history, form history.

Opera
Temporary files, history, cookies.

Safari
Temporary files, history, cookies, form history.

Windows
Recycle Bin, Recent Documents, Temporary files and Log files.

Registry Cleaner
Advanced features to remove unused and old registry entries.