Delete a non-CMX registry file? HELP!

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I had 2 digitizing software programs (Janome MBX v.5 and Embird) on my Win 10 desktop. The non-CorelDraw program (Embird) placed a .cmx file in the registry preventing the program that does use CorelDraw (Janome MBX v.5) to not be able to open CorelDraw with the program. I uninstalled Embird but the .cmx file remained in the registry preventing the use of CorelDraw.

After many hours of emails and testing with Janome, Wilcom (creator of MBX v.5) and Corel my only option was to reformat my computer and start with fresh installs. I haven’t done that yet. Before I do that I’d like to see if deleting the Embird .cmx file will solve the problem but I’m not sure I can do that without harm.

Below are screen shots of the registry. Can I safely delete this file or must I reformat the computer? TIA for any help you can give me!

46189-cmx-file 46190-OpenWithList 46191-OpenWithProgids

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Windows allows you to associate any program with a file extension.

Hold down the Shift key and right click on a CMX file.
Select “Open with” > “Choose default program”.
If you can’t see the application you want, click “More options”.
If you still can’t see the app you want select “Look for another app on this PC”.
Browse to the application you want and select it.

cheers, Paul

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Windows allows you to associate any program with a file extension.

Hold down the Shift key and right click on a CMX file.
Select “Open with” > “Choose default program”.
If you can’t see the application you want, click “More options”.
If you still can’t see the app you want select “Look for another app on this PC”.
Browse to the application you want and select it.

cheers, Paul

Thanks Paul… The default cmx file in my registry is for the one I don’t want. When I select it and shift/ R click I’m offered 4 choices: Modify, Modify Binary Data, Delete, Rename. The same thing happens when I choose the cmx file I want to keep. At no time do I get the choice to “Open with”.

Do you have any other suggestions?

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At no time do I get the choice to “Open with”.

Paul’s suggestion was from File Explorer, not regedit.

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If it were me, I would back up the registry first and then delete it. If you have problems, restore the registry. http://www.thewindowsclub.com/backup-and-restore-registry-windows

Paul T’s answer would be a starting point before using my answer.

Don't take yourself so seriously, no one else does 🙂
All W10 Pro at 22H2,(2 Desktops, 1 Laptop).

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If it were me, I would back up the registry first and then delete it. If you have problems, restore the registry. http://www.thewindowsclub.com/backup-and-restore-registry-windows

Paul T’s answer would be a starting point before using my answer.

Thanks for the advise. I tried Paul T’s suggestion without success. I will back up the registry before I try a delete of the unwanted cmx file.

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Following on from Lumpy, set a restore point and back up the registry before you start in case there are any problems you cant solve. Delete the key and see what happens. There are unlikely to be any consequences for the OS since the file was placed there by third party software. If there are subsequent problems with either of the mentioned programs, try reinstalling over the original installations. I would be surprised if Embird hasn’t left any other unwanted debris as uninstallers tend to be somewhat hit and miss, so run a search in the registry for all entries under that name. I find that Registrar Registry Manager Lite is helpful here as it finds all the keys in one pass, unlike the Windows tool which needs repeated and tedious searches. If you’re not sure that a key is part of the program your trying to remove, its best to leave it alone.

http://www.majorgeeks.com/files/details/resplendent_registrar_registry_manager_lite.html

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Following on from Lumpy, set a restore point and back up the registry before you start in case there are any problems you cant solve. Delete the key and see what happens. There are unlikely to be any consequences for the OS since the file was placed there by third party software. If there are subsequent problems with either of the mentioned programs, try reinstalling over the original installations. I would be surprised if Embird hasn’t left any other unwanted debris as uninstallers tend to be somewhat hit and miss, so run a search in the registry for all entries under that name. I find that Registrar Registry Manager Lite is helpful here as it finds all the keys in one pass, unlike the Windows tool which needs repeated and tedious searches. If you’re not sure that a key is part of the program your trying to remove, its best to leave it alone.

http://www.majorgeeks.com/files/details/resplendent_registrar_registry_manager_lite.html

Wow! I used your suggestion to use Registrar Registry Manager Lite and found an unbelievable amount of Embird files in the registry including the CMX file I was thinking about deleting. Now I’m wondering if deleting that alone would do any good since there are so many other key/data/ and what not files.

What would you suggest?

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Following on from Lumpy, set a restore point and back up the registry before you start in case there are any problems you cant solve. Delete the key and see what happens. There are unlikely to be any consequences for the OS since the file was placed there by third party software. If there are subsequent problems with either of the mentioned programs, try reinstalling over the original installations. I would be surprised if Embird hasn’t left any other unwanted debris as uninstallers tend to be somewhat hit and miss, so run a search in the registry for all entries under that name. I find that Registrar Registry Manager Lite is helpful here as it finds all the keys in one pass, unlike the Windows tool which needs repeated and tedious searches. If you’re not sure that a key is part of the program your trying to remove, its best to leave it alone.

http://www.majorgeeks.com/files/details/resplendent_registrar_registry_manager_lite.html

Wow! I used your suggestion of Registrar Registry Manager Lite to search the registry and found an unbelievable amount of Key/Data/and what not files including the cmx file. I’ve created a system restore point but am uncertain what to do with all of these registry files. Should I individually delete each file after doing a backup of the registry? I’m concerned I’m getting in over my head.

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