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Windows 7でネットワーク上のフォルダをコピーし、名前を変更しようとすると「別のプログラムがこのフォルダーまたはファイルを開いているので、操作を完了できません」とエラーが表示される。 | くま同盟コンピュータLab

Windows 7でネットワーク上のフォルダをコピーし、名前を変更しようとすると「別のプログラムがこのフォルダーまたはファイルを開いているので、操作を完了できません」とエラーが表示される。

2015年5月23日

画像ファイルやPDFが含まれるフォルダの名前が変更できなかったり、削除できなかったりする問題は、画像の入ったフォルダを開いたときに表示される「縮小画像」が保存されている、Thumbs.dbに対するハンドルがThumbcache.dllによって開かれたままとなるため、フォルダの名前の変更や削除を行おうとすると、画像のようなエラーが表示されることになります。
Thumbs.dbを作成しないように設定すればエラーは表示されなくなります。しかし、「縮小画像」表示がされなくなるので注意が必要です。

「スタートメニュー」>「コンピュータ」を右クリック>「プロパティ」をクリックします。

「システムの詳細設定」をクリックします。

「詳細設定」タブ>「パフォーマンス」>「設定」をクリックします。

「アイコンの代わりに縮小版を表示する」のチェックを外して「OK」をクリックします。