PC関連・トラブル系

PCゲームを遊ぶために欠かせないプラットフォーム「Steam」ですが、
「ゲームが起動しない」「プレイボタンを押しても反応しない」というトラブルが発生することがあります。
特にWindowsアップデート後やSteamアップデート後などは、突然ゲームが起動しなくなるケースも少なくありません。
この記事では、
Steamゲームが起動しない症状
発生しやすい環境
主な原因
すぐにできる対処法
をわかりやすくまとめました。

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