To fix the settings reappearing, go through steps 1-5:
1. Restart your PC.
2. Close and exit torrent.
3. Move your WoW -folder to other folder, away from Torrent's Download folder.
4. Right click WoW -folder or config.wtf -file (in WoW/WTF -folder), select properties, un-check "Read-only" and Apply.
5. If you get prompt, Apply changes to this folder, sub-folders and files and click OK.
6.
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7. Login by using username, not email.
Addons:
Go to your WoW/Interface/AddOns/ -folder, and check if the AddOns are packed within an extra folder. This is usually the issue when AddOns aren't showing up, despite being for the correct WoW version, and installed within the right folder.
E.g. the addon might be installed like this:
WoW/Interface/AddOns/DBM-WotLK-3.3.5/DBM-Core
WoW/Interface/AddOns/DBM-WotLK-3.3.5/DBM-TBC
WoW/Interface/AddOns/DBM-WotLK-3.3.5/DBM-GUI
etc.
When the addon should be installed like this:
WoW/Interface/AddOns/DBM-Core
WoW/Interface/AddOns/DBM-TBC
WoW/Interface/AddOns/DBM-GUI
etc.