“unknown guidelines (versionbit 2) have been activated”
Which means you’re in all probability utilizing an previous model of Bitcoin Core that does not perceive new varieties 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 the event you did not make the transaction, both another person has entry to your pockets or to a replica of your pockets (that’s, they’ve had some type of entry to the personal keys within the pockets). It’s attainable your laptop has malicious software program on it that you simply had been tricked into putting in.
Do not obtain software program from trickster web sites that use variations of the identify resembling “BTC Core”. Mistakenly putting in malicious software program is a technique of getting cash stolen. I be aware 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 method to the highest of the Google outcomes (it is an “Advert” outcome). bitcoincore.org is OK, bitcoińcore.org is faux.
and despatched all my bitcoins from pockets to handle I do not recognise.
That appears like theft.
Can I do one thing with this concern and get my bitcoins again?
You possibly can’t cancel, undo or reverse a confirmed transaction. Solely the particular person or enterprise who controls the receiving tackle can create a brand new transaction sending the identical quantity to you. It’s attainable 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 important quantity of stolen cash returned to you.
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