Is it possible to reset all advanced settings parameters (in Tools Depot) to its defaults ? I know i may be able to backup the registry before modifying it and restore from it. Is there an alternative route ?
No, there's no built in "reset to defaults" for the Advanced Settings Tool - it's a little trickier than it sounds since the out of box defaults for new installs have changed for many settings across Unity versions (they're preserved on upgrades, however).
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...