I haven't used MakeMKV in a year or so. I have some new BluRay discs I wanted to backup, so I installed MakeMKV (I have purchased and provided my key) and ImgBurn on my PC and tried doing this again (from administrator command prompt). However, after LibreDrive runs (successfully) ImgBurn complains the disk is still copy protected (note that I have only one optical drive). I also tried CloneBD and it also complains the disk is still copy protected. Next, I tried just making a backup with MakeMKV and everything ran successfully, created the unencrypted video files etc. Because of this I know LibreDrive is decrypting correctly, but other programs are not detecting when reading the BluRay.
Is there something else I need to do so that other programs are seeing drive as decrypted?
Let's help clarify a few things. Making an ISO with ImgBurn in that way is not going to create a decrypted backup. It's going to create a protected ISO. If you enable LibreDrive first, it will disable bus encryption so that the ISO is perfectly valid. BUT, it will NOT remove the AACS protection. The warnings in ImgBurn can be disabled in the settings so that your script will run without being interrupted. Just know that the resulting ISO is still protected, but does not contain bus encryption. This is a good thing and how I do my backups until I've made the MKV. I do this to validate all data on the disc can be read before I throw it on the shelf.
it will NOT remove the AACS protection ... I do this to validate all data on the disc can be read before I throw it on the shelf.
Oh, that is interesting. I was doing this previously because I liked creating ISOs that most closely matched the original disc as possible, hopefully maintaining file structure and potentially any other hidden elements, and hopefully also removing AACS without transcoding compression taking place. But it sounds like you are saying the only way to create a completely unencrypted backup is to use the backup feature and create an ISO from the resulting file structure? But then I would ask, what is the benefit of having an ISO file instead of just keeping it as the file structure? Is it just the modularity of it?
How does this technique help you validate all data on the disc can be read?
If you want it decrypted, you need to use the backup function, yes. In that case, creating an ISO may or may not matter to you.
For me, creating a protected ISO is reading every bit on the disc, so if there are read errors I'll know and I can decide to replace the disc or not. I don't use this technique specifically to create my ISO. I use xreveal to do it which has an ability to checksum the ISO. Makemkv does so, as well, when you use the backup feature. That is what ensures the data being read is correct. If you only do an mkv, then you're not reading the whole disc and won't know if there are parts that have issues. UHD is a finicky format. I want insurance my expensive discs are good... At least at the time I buy them.