DigitalVolcano Software Support

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.

"- When I set this to "No", no dupes are found at all, even though there are dupes in folders A" - This is correct - you are saying you don't want to find duplicates in folder 1, and folder 2 is External only. "When I start scanning for duplicates, I would expect that in fol...

This isn't is the current version. There are new text comparison settings planned for version 6 which may cover this.

It's there in the Selection Assistant- You want to checkmark "Smallest file sizes in each group" and "Bit rate" - "Lowest/blank". This will put a cross against the smallest values, marking them for deletion. You can use the arrows to re-order the 'Preferring to mark' li...