Drag and Drop txt to Notepad won't work

So when Microsoft suggested "Remove all third-pary apps/programs" and just left it at that, thats I why I was frustrated. Without clarification, "Third-party Programs" could mean drivers, adobe programs, pretty much anything non-Microsoft. So to me it sounded like "it could be anything, so uninstall everything."
When you narrowed it down in your previous message to Stardock programs, it made a lot more sense and made me feel confidence in the suggestion.
But im not going to lie, idk if I want to remove "all thrid-party programs", because if I had any luck at all, itd be the worst of the worst. Even though we would not be removing/disabling permanently, if I remove/disable/turn-off all third-party programs, more than likely 1-20 more issues will arise as a result. So I'll give it careful consideration. But, without having a more specific idea of whats going on, I might just have to live with it. Please don't misunderstand... I do appreciate the help, but in one month I had issues with my printer drives, tried to correct those via instructions from Epson, then the printer itself went dead (took 6 refurbished units over 4 months to get a refund), then video drivers went coo-coo, lost two HDDs (one on the same pc, the other on a problem free pc), the replacement drive crashed within a month of those, comcast internet being out for a week, my network being all out of wack after having to do a modem and router power-cycle once the internet came back, my cars tire blowing out, and a few other things all in one month. and that type of crap happens to me every other month or so.
So I try to refrain from even sneezing in the proximity of my computer lol. Heck, even now I think I installed the video drivers wrong or something be cause photoshop and youtube have been glitching almost non-stop. Brand new, self-built $3k pc, only a month old, already having all these issues.

SO you know how after I uninstalled Objectdock, Photoshop allowed me to do the drag-n-drop feature..
Well, a day or two later, it stopped allowing me again. So I uninstalled photoshop, no change. Despite my deep apprehension, I wen ahead and followed your instructions to a point that I can confidently say was to a "T". Tried to restart... after 30mins of not restarting I hit the reset button on the case. It restarted and came up with the log in screen in a flash. After I logged in however, it took about 10 times the usually amount to load everything up.
I accidentally forgot to do Step 3: Win+X->Command Prompt (Admin). Copy and paste into the command Windows the following and run: Dism.exe /online /Cleanup-Image /StartComponentCleanup&dism /online /cleanup-image /restorehealth&sfc /scannow&pause"
and instead tried photoshop Drag-ndrop. It worked, the realize I was supposed to do step three. Close ALL applications/files/programs and followed step 3.
Results:
Microsoft Windows [Version 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.

C:\Windows\system32>
C:\Windows\system32>Dism.exe /online /Cleanup-Image /StartComponentCleanup&dism /online /cleanup-image /restorehealth&sfc /scannow&pause

Deployment Image Servicing and Management tool
Version: 10.0.10240.16384

Image Version: 10.0.10240.16384

[==========================100.0%==========================]
The operation completed successfully.

Deployment Image Servicing and Management tool
Version: 10.0.10240.16384

Image Version: 10.0.10240.16384

[==========================100.0%==========================]
The restore operation completed successfully.
The operation completed successfully.

Beginning system scan. This process will take some time.

Beginning verification phase of system scan.
Verification 100% complete.

Windows Resource Protection did not find any integrity violations.
Press any key to continue . . .

Hit "Enter".
Photoshop still supports Drag-n-Drop
Note pad still does not.

I feel back for the trouble, but Im some what obsessed now and need to figure this out. Any other suggestions?

Notepad and all functionality working here. win10

Are you running notepad as administrator? Did you change UAC settings? This would account for the issue. Running notepad or any application as administrator will effectively block drag and drop. This is because Explorer never runs as administrator even if you set UAC to a lower level.

Just to clarify, you cannot drag files from explorer to a program if it is running as administrator. An application with a lower privilege cannot talk to a higher (admin) one.

"logicearth: Are you running notepad as administrator? Did you change UAC settings? This would account for the issue. Running notepad or any application as administrator will effectively block drag and drop. This is because Explorer never runs as administrator even if you set UAC to a lower level.

Just to clarify, you cannot drag files from explorer to a program if it is running as administrator. An application with a lower privilege cannot talk to a higher (admin) one."

IT Worked!!! Thank you Logicearth. Currently everything is "disabled" do you think that would still have an influence on it or would it be safe to start re-enabling programs? The only problem is, I purposely went though and started changing all the right of all the main programs I used to "run as administrator" on purpose because If I didn't and tried to save, it would say I don't have rights or some crap like that. I figured it was windows 10 issue and just needed to change everything to "Run as administrator". Any thoughts?

If the locations you are trying to save to are on a different HDD or in a location you created you need to fix the NTFS permissions as they are tied to the previous installation. Folder > Properties > Security > Advance. If the locations are Windows' system directories (Windows, Program Files) then you need to use Run as Admin.

Other then changing files in system locations there should be no need to run notepad as Admin.

Heres a screenshot of Program Files. I have no clue what any of this means. Just to note, I never touched System folders like Program Files or Windows or anything.

So, IDK why all the sudden its letting me control where I save the documents, but Notepad is working just as it should. Lets me drag-and drop and save wherever. I want to thank you very much for your time and patience.