Issue with Pre-sync-headers

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#1Apr 9, 2022, 08:04 PM
So, I've noticed that the pre-sync-headers keep showing the same numbers like xxx-381 and xxx-382. This has been happening with Bitcoincore for about four weeks now. Anyone know how to fix this and get things back to normal?
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humbleledgerLegendary
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#2Apr 10, 2022, 01:32 AM
You should read [READ BEFORE POSTING] Tech Support Help Request Format, and share a bit more information. With the limited information you gave, I'd wipe its data directory and restart Bitcoin Core. Pre-syncing Headers here takes about a minute, and shows an increasing percentage.
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#3Apr 10, 2022, 03:20 AM
OK. Where is the data directory and how to remove it? Picture of the screen ... it has been like the for the last 4 weeks, just the numbers in front of 382 or 382 change .. http:// .................. inserting a photo is not possible...
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humbleledgerLegendary
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#4Apr 10, 2022, 07:46 AM
If you don't want to be helped, why do you post here? Bitcoin Core isn't meant for spoon feeding. If you don't want to give useful information with your request, maybe you're better off with Electrum. Or BlueWallet. Or, and I can't believe I'm going to say this: fiat money
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#5Apr 12, 2022, 01:53 AM
You are very rude ... I'm seeking help, so guide me ...
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im_lynxHero Member
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#6Apr 12, 2022, 04:47 AM
You do understand that nobody here has any obligation to guide you. People here do it voluntarily and because we like to do our parts to entertain a good forum. This is no one-way street. If you're seeking help, do your part, too! And you're not following the advise you were given. Any good reasons for that? This is the content quoted below you were pointed at, are you able to understand and follow it? I will deliberately full-quote it for you and yes, that's spoon-feeding toddlers. Are you a grown-up? If yes, get your brain cells together and provide more meaningful context to your problem. You could easily find out yourself with Google or some AI where the data directory of your Bitcoin Core installation is, if it is standard. If it's not standard then you should already know how and why you deviated from standard. Anyway, don't play stupid. Nobody here can guess or foresee what your operating environment is. So, provide details that allow to help you or go somewhere else. If you find this rude... your problem. We don't want to waste our time with nonsense. And if you provide basically nothing, this is equal to nonsense. To post pictures, upload them to talkimg.com and post the provided BBcode. As you're a Newbie, your [img]...[/img] images will only show as links, but when a more higher ranked user cites them they will show. We'll do that for you. Some more advice: I highly recommend to read and understand the Unofficial list of (official) Bitcointalk.org rules, guidelines, FAQ. You already violated rule #32 because you never cared to even look for forum rules, I guess. Newbies - Read before posting --- Digest slowly and follow the links, read and try to understand, it's worth the time spent to avoid trouble and learn to benefit from this forum. From where did you even download your Bitcoin Core?
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bull_2019Senior Member
Posts: 296 · Reputation: 1992
#7Apr 12, 2022, 07:29 AM
Data directory is where all blocks data are stored, it’s literally hold all what you’re getting from the IBD process.  You should know about these things before trying to run a node at all..It feels odd when you can’t comprehend the basics and you’re running a node. I guess you’re on windows.. You can easily find it if you’re running bitcoin-qt, from the  GUI on Windows, check Window > Information. There’s likely no shortcut through the CLI if you’re using the daemon, but the internet is always there for you to browse. I’ve forgotten the default on windows, I would have given you a precise answer to that but here’s what i found online for windows: ~\AppData\Roaming\Bitcoin For other OS , do the search yourself..
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im_lynxHero Member
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#8Apr 12, 2022, 12:28 PM
Why do we need to guess? (Rhetorical question...) According to this source (https://learnmeabitcoin.com/technical/block/blkdat/) and slightly modified by me, because the question isn't about the block's data storage location, the default data directory of Bitcoin Core is: Linux:  ~/.bitcoin/  Mac:  ~/Library/Application Support/Bitcoin/  Windows:  C:\Users\[username]\AppData\Roaming\Bitcoin\  (v27.2 and below)Windows:  C:\Users\[username]\AppData\Local\Bitcoin\  (v28.0 and higher)   In Windows Explorer you can use the abbreviations %APPDATA%\Bitcoin\ or %LOCALAPPDATA%\Bitcoin\ depending on your Bitcoin Core version to jump and open the directory quickly. A different data directory location can be set by setting the datadir=<dir> option in the bitcoin.conf configuration file or starting Bitcoin Core with the command line option -datadir=<dir>. IIRC, at the very first start of the GUI you can set it up, too, if you want to deviate from default.
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gr3g.0rbitHero Member
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#9Apr 12, 2022, 12:51 PM
That message is shown in the GUI sync progress screen, right? It could mean a couple of things like your node has followed the wrong chain, corruption issue, etc. So it's best to check your "debug.log" file to get the actual issue. You can get it from the data directory that you've set, if you're using the default read the reply above. Once you found it, open it "as text" and read the contents. Find any error line(s) in your logs and then report here, including the block hash in case you need to use reconsiderblock command.
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hash_bossLegendary
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#10Apr 12, 2022, 05:17 PM
Without any detailed information, i would suggest you to use different connection. Install and use VPN app/service that you can trust, then open Bitcoin Core to see whether it still stuck on pre-sync header. You can upload the image and share the link instead.
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