Link: https://old.reddit.com/r/DataHoarder/comments/1ve0q95/upgrading_teracopy_was_the_worst_thing_ive_ever/

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The original was posted on /r/datahoarder by /u/smoose87 on 2026-08-03 02:22:27+00:00.

Hi everyone, long time listener, first time caller here.

I have a media server with 34TB of storage. I am slowly building a cloud for myself and my loved ones. I'm hoping they will eventually see the value in it...

I recently upgraded/updated Teracopy 3 to Teracopy 4 and it was terrible but only for the speed. Or so I thought...

The inital issue I encountered was the slow speed for the dialog box to appear and for operations to begin (widely experienced and well documented on a CodeSector forum board) but when I uninstalled Teracopy 4 and re-installed Teracopy 3 that's when the real issue appeared.

I am now unable to use Teracopy with Free Commander. I have tried every instruction that I can find online and I am starting to think that there is a registry quirk that is preventing Teracopy from automatically handling drag-and-drop file operations from within Free Commander. Even the option to "Teracopy" or "Teramove" is not in the context menu within Free Commander.

Even when I use the buttons in the middle of the dual panes, it activates the Teracopy window but doesn't start the operation.

I have used Geek Uninstaller to remove both Teracopy 4 and Teracopy 3 uninstalled and re-installed both for testing. I have also removed Free Commander with Geek Uninstaller and reinstalled it. I have tried Total Commander but I have never used it before and I feel that there is a steep learning curve for that app so I'm holding off moving to TC for now...

Can ANYONE help please? I am going out of my mind trying to fix it