Like something was testing whether I’d notice.
I restarted the installer. Same error at 47.3%. Restarted the PC. Same. Tried a different drive. Same offset. Same precise, maddening consistency.
And I swear I see the progress bar at 47.3%. isdone.dll crc check error
No file path. No DLL name. No CRC.
I unplugged the network cable. The error window changed. Now it just said: Like something was testing whether I’d notice
I renamed the file. It reappeared in three seconds. I deleted it. The recycle bin showed an error: "Item is already in use." By what? Task Manager showed nothing. No processes. No handles.
I’d seen isdone.dll errors before. Usually a bad download. Corrupted archive. Wrong password. Annoying, but fixable. Restarted the PC
This one felt different.
Not drift. Not hardware.
I don’t run installers anymore. But sometimes, at 03:17 in the morning, my screen flickers for one frame.
Then the cursor moved. Half a pixel. Just once.