解凍 かいとうソフトじゃなかったです
kaitōsofutojanakattadesu

Noun
Desu Copula

The polite, past negative form of 解凍ソフト

1. Wasn't a thawing/decompression program.; Wasn't defrost software.

Past/Perfective
Negative
Polite
Casual Register
Computing