“unknown guidelines (versionbit 2) have been activated”
Because of this you might be in all probability utilizing an outdated model of Bitcoin Core that does not perceive new sorts of Bitcoin transaction. The present model is 0.21.1.
It virtually definitely has nothing to do with the second a part of your query.
Putting in a brand new model of Bitcoin Core from the real web site ought to make the message go away. It will not get your a refund although.
Bitcoin Core made a transaction by itself
In case you did not make the transaction, both another person has entry to your pockets or to a duplicate of your pockets (that’s, they’ve had some sort of entry to the personal keys within the pockets). It’s doable your laptop has malicious software program on it that you just have been tricked into putting in.
Do not obtain software program from trickster web sites that use variations of the identify reminiscent of “BTC Core”. Mistakenly putting in malicious software program is a method of getting cash stolen. I observe that there’s a website whose URL spells bitcoincore with an accented ń – I can solely assume it’s a faux web site offering maliciously altered software program that steals cash. That malicious imposter web site appears to have at the moment purchased its solution to the highest of the Google outcomes (it is an “Advert” consequence). bitcoincore.org is OK, bitcoińcore.org is faux.
and despatched all my bitcoins from pockets to handle I do not recognise.
That seems like theft.
Can I do one thing with this subject and get my bitcoins again?
You’ll be able to’t cancel, undo or reverse a confirmed transaction. Solely the particular person or enterprise who controls the receiving deal with can create a brand new transaction sending the identical quantity to you. It’s doable the cash has been moved additional.
Beware of faux restoration brokers. You’re more likely to be tricked out of additional cash than to any see any vital quantity of stolen cash returned to you.
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