I have a problem with dopus, the right click of the mouse does not show any menu, this only happens in disk drives, in the tree and in the detail or lister it does not show any menu, in the explorer it works normally.
Drives can be shown in a few different places, including the file display, location bar, folder tree and toolbars/menus. Which one are you right-clicking? (Or is it the same in all of them?)
Is there a busy pointer or CPU usage or anything that'd indicate the menu is being built but taking longer than usual or getting stuck?
If it's getting stuck, some Manually generating process snapshots may reveal what's happening.
Another test you could do:
- Run
Help THEMETESTER(e.g. make a button for it and click it, or type>into the file display and paste the command into the field that opens). - Select Common Dialogs at the bottom.
- Click the first button, IFileDialog Open
- Within that dialog, navigate to This PC and right-click a drive.
If that also doesn't display a menu, it's likely a shell extension causing the problem (maybe when inside some processes and not others). You can see the installed extensions under Preferences / Miscellaneous / Shell Extensions, and the Context Menu and Context Menu (UWP) categories.
Extensions that add menu items for tools for disk backup / defrag / checking have caused problems in the past, for example.
The error is everywhere, but I already discovered what it is, I already solved it and it was indeed a shell extension, sorry for not reporting it, thanks for the attention Leo
Which extension was it, in case it affects other people?
It is the Aomei Partition Assistant Standard application, in fact I was testing it to see how it worked and decide between this one and the easeus partition master, in explorer it works well when opening the first contextual menu but when opening the contextual menu of more options also in explorer it did not work, the explorer window closed, when removing the extension in the shell everything worked fine.
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You only had missing context menus on "disk" entries?
For regular files and folders you did not have this problem in DO?
Yes, that's correct, the problem only occurred on local and removable disk drives.
Which makes sense as a disk partition tool only adds its context menu to disks, and was the source of the problem.
Yep, ok.. I agree, makes sense, thank you both for clarification! o)
@sscom
I asked because I have context menu issues on regular files and folders (and I do not show the Explorer menu items by default in DOs context menu).
Context menu issues with regular files/folders are best dealt with by following the FAQ about that very thing. 
tbone, download the autoruns application, run it, it is portable, and go to the Explorer tab, there it shows you the registered extensions, uncheck the ones you think may cause the problem and restart, and check if it is solved, most programs continue to work well even if they do not have extensions activated.
I guess you mean this FAQ list? There is no "context" or "menu" hit in there, I also looked through one by one, can't see which one you are referring to?!
EDIT: Also checked all entries here for "context" and "menu", none, hu?! o)
@sscom
Thank you, I know autoruns, but I don't have an "extension" specific context menu problem, they are flaky on any item. As mentioned, I also do not use Explorer items / context menu extensions in DO, just plain DO menus. I think Autoruns does not help me in this case, if I'm wrong, feel free to correct me.
I'm amazed you've been on the forum so many years and not seen it linked before now.
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Of course I know this one, you can even say I know it by heart, since I also put peoples nose on it in the german forum e.g., you should know and not stand amazed! o) It's obvious we misunderstood each other.
I guess because your sentence started with "Context menu issues.. following the FAQ about that very thing." and that "very thing FAQ" does not have "context menu" anywhere in the name. Maybe add these two words to the FAQ title so the next user will have more success searching?
Anyway, I think the linked FAQ does not cover my problem. I never have Explorer menu items enabled and my context menu works reliably if I use the keyboard to open it. I will try the "memory dump" thing again you suggested next time.
Thank you!