also: あんいんすとーら
noun
uninstaller
A program or utility that removes installed software from a computer.
このアプリを削除するには、専用のアンインストーラーを実行してください。
To remove this application, please run the dedicated uninstaller.
Standard katakana spelling for the software tool.
Variant spelling without the long vowel; less common but still used.
Borrowed from English 'uninstaller', adapted to Japanese phonology.