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Why this glitch is circulating again
The Invisible Courier Bug That Broke New Vegas (Glitch You Must See) is a sequence break. It locks Courier Six as a nameless, floating companion. This unseen error rewrites quest steps and crashes critical triggers.
How the bug corrupts save files
Missing object flags confuse the AI handling. Scripts expect a grounded Courier, yet the character stays intangible. Research shows missing NavMesh data leads to pathfinding collapse. This breaks timed dialogue and faction conditions.
Impact and simple lesson
One skipped rule can freeze your entire journey. Avoid risky edits until patches fully stabilize your playthrough.
H3Does this bug still appear in current patches?
AUsually fixed, but legacy saves can still trigger floating Courier issues on some engines.
H3Can a backup save help here?
Yes, revert to before accepting the Courier handoff. Another option is using an earlier autoslot to bypass the crash.