Source file not found. "path". Verify that file exists and that you can access it.

Swapped and old HDD with a new one, installed Windows 10 Pro (with Windows Media Creation Tool and bootable usb) and then these 2 problems appeared, which I think are tied together.

After installing most of the essential apps without a hitch, I got an error when I tried installing VLC, some kind of NSIS error, and when I tried to install uTorrent, the installer was running idle in the background but nothing happened. Then I tried to install Sony Vegas and League of Legends and the error in the title appeared, both paths lead to app data.

Screenshot:
http://I.imgur.com/BTEy61w.png

Now I've tried changing paths to a shorter ones, added SYSTEM in security tab and gave it full access, checked if thos files in destination paths weren't locked. Nothing worked.

I've found a workaround:

net user administrator /active:yes

Both of those problems were solved by just installing them on this superadministrator account, but it's not my computer and it's a real pain to do this every time a program decides not to install.

Is there a way to fix this ?
 
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