Suddenly have red, green and blue splotches on video clips

It looks like something to do with exposure but I don't know how it appeared, why it appeared, not how to get rid of it. It's driving me crazy, how do I turn it off? It's hard to see but the splotches are a red one on the pan on the right top, and a green one on the woman's armpits and under her collar. There are more but that's an example.

Hi, I had a similar problem with clips that were ok in FC PRO but had colour artefacts in FCP X. Drove me to distraction.
I then discovered that by moving the FCP X window to another monitor (I have 3 monitors) the colour artefacts disappeared.
My main monitor is a 24"' IPS, calibrated FOR PRINT with ColourMonkey hardware and software, and the other 2 are TN monitors.
Anyhow, since my clips appeared ok on the 2 TN monitors i chose a different colour profile for the main (IPS) monitor and, voila...problem solved!
I am certainly no expert in things FCP so i may be wrong, but it could be worth a try?

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Suddenly have red, green and blue splotches on video clips

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