I thought it'd be a good idea to move my AppData folder

Totally fucked up my laptop

Ummm... Why? 0.o

I ran out of space in my SSD and moved it to my HDD

I tried to make a "folder junction"

Noob mistake 😏

@Haxk20
Junction are links. Kind of hardlink but for folders.

@nbamaral symlink..?

@ScribeOfGoD
Close but not exactly. There are also symbolic and hardlink in ntfs. Maybe the correct name us soft links. Here are some of the differences:
https://ss64.com/nt/mklink.html

That sucks, what a PITA!

I also once tried to create this monster of a Windows machine, by regediting all the user/program-folders to point to two drives simultaneously.

Idea being that the old stuff can reside wherever they are and new stuff would be created to this other drive.

Oh boy, how wrong and naive I was!

NTFS supports fancy things like mount points (junctions), symlinks, hard links, etc.

Windows' internals don't.

@Root
Like the 255 path limit 🤣
(which BTW it's not a ntfs thing)

@nbamaral Isn't it 260?

I have a rant about that on here somewhere...
Ah, here it is: https://devrant.com/rants/732850/...

@h4xx3r I'd seen articles of people doing it

@Haxk20 yeah I have been debating on just switching to Linux now

@Root
There's always the "\\?\really long path" trick for a 32k limit :)
NTFs is actually quite interesting, take for instance the good/nasty stuff that can be done with alternative streams :p

@nbamaral Except the unicode path prefix \\?\ trick doesn't work with windows' own utilities. lol

@Root
On your rant, did you tried 7z?
And \\?\volume:\path didn't work out for Robocopy? It usually does. Or you can use the volume mount point (from mountvol)
If necessary, making a shorter junction also works well.
I'm a phone can't test my answers right now 😀

@nbamaral All your questions are answered in the rant 😋 but for a tl;dr version: 7z worked. Nothing else did, even official windows "fixes" and utilities.