DigitalVolcano Software Support

Try using the Wizard for comparing disks ("Compare drives or folders to find missing or changed files"). This will also give you an idea of the settings.

This works ok for me. Does the theme work if you close/reopen the program?

Thanks for the suggestions. Will probably review/improve this tool for version 6.

It looks like there is a Windows issue where the Clipboard can sometime be locked by another process. I'll see if can get this fixed for the next update.

There are hundreds of different ways of using the tool. No particular way is the definitive one. It's a huge area: people run courses on how to effectively clean up collections of personal files, many using Duplicate Cleaner (google: photo organizing course) For example: https://megabytememories.com...

Set them both to 'External only' in the Scan location tab.

Reference:
https://www.digitalvolcano.co.uk/duplic ... =&sct=MA==

If you are unable to mark a file for deletion, either by clicking on the checkbox or using the Selection Assistant, this means the file is in a Protected folder. You can tell this by the padlock icon next to the file name You can unprotect a folder tree by right-clicking on the row and selecting the...

Yep - I need to add more videos. There's only one of me so I tend to spend most of the time updating/fixing DC and working on the upcoming TextCrawler 4 and Duplicate Cleaner 6. There are videos for version 5 here: (not linked from main site) https://www.youtube.com/playlist?list=PLggEYHmSWbu5r3HK9v...

Looks like it's having trouble connecting with the drive, or there is a Windows issue.
If it's not possible that the drive is disconnected (see if you can still acress the files) try unchecking 'via Windows shell' - this tries an alternate way to move the files without asking Windows to do it.

Video Mode
Video match settings->Ignore Content
Checkmark "match length" and set tolerance.
Don't set any other criteria and that should do what you want.