Forcing a re-patch

Not a great method but for all those who have issues/glitches that no one else has after a patch, you can try to force a re-patch. (a.k.a. Game worked fine before but is failing after patch...)

To force a re-patch, go to your game folder.
You'll see 3 files:
game.ver - Shows the date of the patch
patch.ver - Shows the version of the patch
boot.ver - Shows the version of the bootloader (login screen).

1. Change game.ver to any date prior to patch date
2. Change patch.ver to the last version.
On next launch, the game will re-download the patch and re-install it.

Disclaimer:
1) This will only fix issues related to corrupted game files from a patch.
2) I will not take responsibility for any further damage to your game for whatever reason if you attempt to do this.

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Moving on, SE should add a "check file" option to the login UI.