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Author Topic: Bitcoin-qt crashes after start up  (Read 572 times)
JayCoin (OP)
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Crypt'n Since 2011

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September 18, 2017, 01:24:50 AM
Last edit: September 18, 2017, 01:37:53 AM by JayCoin

Installed new version of bitcoin-qt 0.15.0 on windows 10 64-bit and now it crashes every time i start it after it finishes loading the blockchain.

last few lines of debug:

2017-09-18 01:16:35 Bound to [::]:8333
2017-09-18 01:16:35 upnp thread start
2017-09-18 01:16:35 Bound to
2017-09-18 01:16:35 init message: Loading P2P addresses...
2017-09-18 01:16:36 Loaded 63020 addresses from peers.dat  448ms
2017-09-18 01:16:36 init message: Loading banlist...
2017-09-18 01:16:36 init message: Starting network threads...
2017-09-18 01:16:36 dnsseed thread start
2017-09-18 01:16:36 addcon thread start
2017-09-18 01:16:36 opencon thread start
2017-09-18 01:16:36 msghand thread start
2017-09-18 01:16:36 net thread start
2017-09-18 01:16:36 init message: Done loading
2017-09-18 01:16:36 GUI: Platform customization: "windows"
2017-09-18 01:16:36 GUI: PaymentServer::LoadRootCAs: Loaded  58  root certificates

What to do next?


This is the debug in visual studio:

Unhandled exception at 0x000000000134450C in bitcoin-qt.exe: 0xC0000005: Access violation writing location 0x0000000002600FF8.

Assebly Stack:
000000000134450C  call        qword ptr [21FE014h] 

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September 18, 2017, 02:11:48 AM

Open up the registry editor (type regedit.exe in the start menu and run the program) and go to Computer\HKEY_CURRENT_USER\Software\Bitcoin\Bitcoin-Qt. Then click File > Export and export those registry keys to a file and post the contents of that file here. Those registry keys correspond to the GUI settings for Bitcoin Core. Then start Bitcoin Core with the -resetguisettings command line option (add it to the target for your shortcut) or add that option to your bitcoin.conf temporarily. This will clear any and all GUI settings that you have, and because it will, I need to see what you had previously to help debug this problem which is why you need to export them first with regedit (I think I know what the problem is, I just want to be sure).

JayCoin (OP)
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September 19, 2017, 12:23:24 AM

Yep. That worked.


Here is the registration entry before I reset the GUI settings.


Windows Registry Editor Version 5.00

"nOptionsDialogWindowPos"="@Point(680 340)"
"nOptionsDialogWindowSize"="@Size(560 400)"
"nWindowPos"="@Point(-847 0)"
"nWindowSize"="@Size(838 978)"
"nRPCConsoleWindowPos"="@Point(-796 273)"
"nRPCConsoleWindowSize"="@Size(652 629)"
"nHelpMessageDialogWindowPos"="@Point(560 340)"
"nHelpMessageDialogWindowSize"="@Size(800 400)"

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