Kim Massey - 2026-02-09

I've been using Veracrypt (1.26.15) quite happily for a long time. It was working fine yesterday but today when I tried to auto mount the volume I got an error message saying

Auto-mount failed due to one or more of the following:
Incorrect password
Incorrect Volume PIM number
No valid volume found
Volume uses old algorithm that has been removed
Trucrypt format volumes no longer supported

The password I'm using hasn't been changed so that isn't the problem. Nothing else has changed since yesterday either - no windows (v11 25H2) update, no new apps installed etc

What do I do to resolve this please (and I'm not a technician so please, no jargon).