ホーム画面への追加方法
1.ブラウザの 
共有ボタンをタップ2.メニューの「ホーム画面に追加」をタップ
No file path. No DLL name. No CRC.
I unplugged the network cable. The error window changed. Now it just said:
Just done.
Here’s a short creative piece based on that error message, written in the style of a system log / eerie tech fiction. isdone.dll crc check error
Not drift. Not hardware.
Like something was testing whether I’d notice.
Then the cursor moved. Half a pixel. Just once. isdone.dll crc check error
The installer froze halfway through the progress bar. Not the dramatic kind of freeze—no spinning wheel, no screen flicker. Just a soft click inside the speakers, like a tongue dislodging from the roof of a mouth.