Questions tagged [windows]

Questions about Bitcoin in the context of the Microsoft Windows series of OS.

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31
votes
1answer
15k views

How do I build Bitcoin source in Windows 7?

I am trying to build the current Bitcoin source in Windows 7x64 - Does anyone know of an idiot-proof tutorial? Some of the steps in the included doc give me errors. When I try to tar openssl with ...
16
votes
1answer
2k views

Why are coin miners (such as GUIMiner) a “threat” in Windows Defender?

I opened up my GUIMiner and I got a rather unfriendly "Win32/CoinMiner" threat of "Medium." I installed this program knowingly, so should I be concerned? Is this just a problem because people have ...
13
votes
1answer
2k views

How do I configure the Bitcoin client for SSL on Windows?

Specifically I would like to connect to bitcoind from an outside system but I'm concerned about security. I've seen where others have said that SSL support is built into the Bitcoin client but how do ...
10
votes
3answers
2k views

Why does poclbm acquire 100% CPU?

I recently switched from WinXP32bit to Windows7. While under XP poclbm took about 5% CPU Time of one core, now it uses one core with 100%. Is there a specific reason for that? I now use AMD/ATI ...
10
votes
1answer
2k views

Why does merely having Windows Media Player open double my GPU hashrate?

I'm using poclbm to mine under Windows... processor is an AMD A6-3400M with integrated Radeon HD 6250G GPU. When Windows Media Player is closed, I get a rate of 16 megahashes/second, but when it is ...
8
votes
1answer
12k views

How do you apply “-zapwallettxes” on Windows?

On May 27 I tried to sell some Bitcoins(for the first time). Since that day the transaction is in the status "unconfirmed". The amount is booked from my wallet, but isn't booked to my bank account. ...
8
votes
5answers
10k views

Is there a Bitcoin gadget for Windows 7?

Is there a Bitcoin gadget for Windows 7, which features conversion rate with EUR? (i.e. EUR/BTC)
7
votes
3answers
23k views

Is there a command line Bitcoin CPU miner for Windows?

Is there a Bitcoin miner that I can run using the command line on Windows? I want a CPU miner, not a GPU miner.
7
votes
2answers
1k views

Interoperability of Bitcoin clients

Is it possible to operate on the same wallet from multiple devices? If I run, for example Android on a device, and Windows/Linux on another, how do I share the same private key(s) of my wallet between ...
6
votes
2answers
5k views

How can I copy the blockchain from my working client for use with a live CD savings wallet?

I have the Bitcoin client installed on my Windows PC, but I want to set up a savings wallet with better security that I access with an Ubuntu live CD. I don't want to have to download the entire ...
6
votes
1answer
634 views

Starting out with Armory - can I make it go faster?

Does anyone know of a way to make Armory do an initial sync any faster? I've downloaded the blockchain but so far it's been processing/synchronizing with the network for 17 hours, and it claims it ...
5
votes
3answers
3k views

How do I find a renamed wallet whose name I can't remember?

I bought BTC in 2011 and renamed my wallet.dat to something else that I cannot remember. How can I find my wallet file on my computer? I'm prepared to use the command line and scripting.
5
votes
1answer
4k views

How can I view the Blockchain locally on my machine?

I'd like to view the blockchain on my Windows 7 machine. Right now I'm looking under roaming/Bitcoin/blocks, and trying to open blk00000.dat . I can't read any of it though, it seems the text is ...
4
votes
2answers
4k views

cgminer fails to start with error “error opening terminal: dumb”

I'm using Windows 8 x64. I've downloaded the latest cgminer (3.4 at this time), but when ever I try and start it I get the error message: Error opening terminal: dumb I've seen various post that ...
4
votes
1answer
707 views

What are test_bitcoin.exe and test_bitcoin-qt.exe?

These two binaries appeared in Bitcoin Core a few versions ago, but I don't remember ever seeing an explanation of what they are and what you would use them for.
4
votes
1answer
466 views

Why won't bitcoind work correctly on windows 7?

When I go to bitcoind using "bitcoind -daemon" in Windows 7, it won't run in the background. When I type that, it just sits there and does nothing. If I keep it like that and open another command ...
4
votes
1answer
3k views

Creating a raw transaction using Bitcoin Core v0.10.0 bitcoin-tx / createrawtransaction

I'm trying to create a raw transaction using Bitcoin Core v0.10.0 (on Windows 7 x64, and with txindex=1 optioned). Bitcoin Core v0.10.0 comes with a new Bitcoin-tx executable utility. The help menu ...
4
votes
2answers
583 views

Is Bitcoin database cross platform compatible?

I want to use my Windows 7 Bitcoin database (the block chain I downloaded + my wallets) on Linux (Debian). I run Debian as VirtualBox guest on Windows 7 host and share the Bitcoin data folder (C:/...
3
votes
2answers
2k views

bitcoin-cli commands like createrawtransaction not working with json on command line

I am trying to create raw transaction using the createrawtransaction api on testnet using the Windows7 command line. I always get an "error parsing JSON": C:\Users\amjad>bitcoin-cli -testnet ...
3
votes
1answer
1k views

Where is the location of the private keys of my wallet on my PC?

I have searched this forum and the internet for information on the location of the private keys of my wallet on my PC and found no answers. I am using Microsoft Windows 7 and installed the Bitcoin ...
3
votes
1answer
774 views

Is there a rippled Windows binary available for download?

Is there a compiled Windows binary for the Ripple deamon rippled available for download? I only found its source code...
3
votes
1answer
7k views

How do I fix GUI Miner stuck at connecting?

GUI Miner v2011-08-24 just shows "connecting..." when trying to connect to slush's pool. The console shows: 2011-12-31 14:00:49: Running command: poclbm.exe smithd98@gmail.com.macbookpro:4fuqPtrI@...
3
votes
1answer
1k views

How to build Bitcoin binaries for Windows on Ubuntu using cross-compile

I am trying to build Bitcoin 0.13 for Windows. I've always used this guide for building previous versions. Now seems that developers have changed their mind regarding Windows, and the new way seems ...
3
votes
0answers
445 views

Environment for building Bitcoin core in Windows

I'd like to try building the Bitcoin core source in Windows. The instructive materials I've found take too much for granted. What environment needs to be installed before building? Can it be built in ...
2
votes
1answer
649 views

Run bitcoind as a service in windows

Motivation I don't want to have to have bitcoin-qt running. I want the control and error handling capabilities that come when something is running as a service. I want bitcoind to start when windows ...
2
votes
1answer
1k views

Windows 7 : Unable to start bitcoin server using daemon in regtest : bitcoind -regtest -daemon

I am trying to start bitcoin server in regtest mode using bitcoind -regtest -daemon command on my windows 7 operating system. Error I am getting is daemon is not supported on this operating system. ...
2
votes
2answers
2k views

Bitcoind under Windows 7; RPC port 8882 not opening

Using Win7 64 bit I'm trying to get bitcoind (v0.8.5) to work. Bitcoin.conf has the following content (in the %appdata%\bitcoin dir): rpcuser=12345 rpcpassword=12345 I run using command line: ...
2
votes
3answers
4k views

0 connections now, but I had been using Bitcoin QT for a while without problems

I had been using my Bitcoin client for months on my Windows computer running XP. One day, I have trouble connecting to anything else on the internet, but my Bitcoin client seems to be running okay. ...
2
votes
1answer
371 views

Does the MultiBit linux jar file run in windows?

A windows system has a standalone java and is not recognized by the installer. A jar file can be run on the command line. Is the MultiBit linux jar and the windows installed one the same?
2
votes
1answer
626 views

How can I run Bitcoin Core with the -zapwallettxes option in Windows OS

I have been trying to run Bitcoin Core with -zapwallettxes option by starting the command line prompt, and typing (cmd.exe) Start bitcoin-qt with --zapwallettxes=1 but it keeps saying Windows cannot ...
2
votes
1answer
918 views

digitalcoin wallet won't sync

I've had my digitalcoin wallet open for a few days now, hoping it would eventually sync back up but it's seemingly stuck, not necessarily at a specific block, but around 3 days back, whichever block ...
2
votes
1answer
668 views

How do I properly shut down bitcoind on Windows? I get error: EnvShutdown exception: DB_RUNRECOVERY: Fatal error, run database recovery (-30974)

I am running bitcoind in Windows (interactively) and pressed "control c". The following error was displayed: EnvShutdown exception: DB_RUNRECOVERY: Fatal error, run database recovery (-30974) Is ...
2
votes
1answer
673 views

Running Bitcoind as a service on windows 10

So I am trying to run bitcoin daemon as a service on windows 10, so I don't have to keep starting it. I have tried the following command: sc create BitcoinServer binpath= "C:\Program Files\Bitcoin\...
2
votes
1answer
739 views

Run bitcoin-qt at startup of Windows server

I am running bitcoin-qt on my server. I use .Net library to query it through windows services. It all works when I start bitcoin-qt manually. But if the server is restarted, I see that it is running ...
2
votes
1answer
901 views

Transaction was rejected - Bitcoin QT, recovered wallet.dat

I recently installed a new version of Windows on a new HDD, but I'm having problems getting my old wallet.dat to work. Here's what I've done: Install latest Bitcoin Core. Copied over the blocks and ...
2
votes
2answers
1k views

6 x GPU mining rig only installs drivers for 5

I built the following rig: 5x SAPPHIRE TRI-X R9 280X 3GB GDDR5 OC (UEFI) 1x AeroCool Templarius Imperator 1150W 80 Plus Gold 1x HighPower Tech 1200w Gold Plus (HP-1200-G14C-GOLD) 1x Asrock H61 Pro ...
2
votes
3answers
2k views

How do you load the Android bitcoin backup key onto Bitcoin Qt?

I have an Android wallet key and I want to load it onto my windows desktop. I am using Bitcoin-Qt, but i dont see an import option anywhere. How can this be done?
1
vote
1answer
5k views

Could not locate RPC credentials Error

I am trying to follow the instructions in the following post: Check status of daemon When I try to run bitcoin-cli getblockchaininfo I get the following error: When I look for the configuration file....
1
vote
1answer
1k views

I'm trying to compile bitcoind on Windows but build_unix for db-4.8.30.NC is empty. What do I need to do?

I've been working on setting up the proper environment to compile litecoin, and have been following the instructions from this: https://bitcointalk.org/index.php?PHPSESSID=1dl8pkva2oqpjsd3h455k7hrj7&...
1
vote
3answers
5k views

Cannot get BITCOIND RPC connection working on Ubuntu 12.04 or Windows 7

OK, I recently posted trying to get help connecting to BITCOIND using Ubuntu or Windows 7. In Ubuntu (Virtual Machine under Win7 64bit) 12.04 Desktop LTS I have the following written in my BITCOIN....
1
vote
1answer
36 views

Where is the downloaded Ardor blockchain stored on windows and linux?

Where can one find the location of the Ardor blockchain on Windows and Linux?
1
vote
2answers
2k views

Bitcoin-qt console on cmd

Is there a way to interact with Bitcoin-qt from Windows cmd and run commands like if I'm running them from Bitcoin-qt console?
1
vote
2answers
9k views

Solving PyCrypto 2.6.1 errors for Python 3.4 (Windows7 x64)?

Whilst there's less of an issue with Python 2.7, Python 3.4 relies on the pycrypto library for numerous wrappers/APIs/tools such as BlockTrail, pycoin, pybitcointools, etc etc. The error I'm getting:...
1
vote
1answer
1k views

Block data error, reindexing blocks

Bitcoin QT finished syncing this weekend after d/l for Windows 7 on Thursday. Today, probably 2nd or 3rd time running it, an error came up right away that index could not be found. What would cause ...
1
vote
1answer
117 views

Getting “Can't run the JVM” when starting Ardor on Windows 10

When running Ardor 2.2.1 on Windows 10, I'm getting "Can't run the JVM" error. Also tried going to the command line and going to: C:\Program Files\Ardor and running run.bat It just pops open a ...
1
vote
1answer
266 views

Does the OS make a difference for mining?

I would like to know whether it makes a difference to mine on Windows, on macOS or on Linux? Performancewise? Is there a big difference in the quantity of software tools available to mine? Are ...
1
vote
1answer
282 views

Bitcoind in a Windows Azure Worker Role

I want to have a Bitcoind node running in Azure. Obviously there are storage requirements from storing the blockchain, so is Bitcoind a candidate for a worker role? Or would I be better off sticking ...
1
vote
1answer
977 views

Runaway exception on 0.9.3 Bitcoin client startup 64 bit Windows 7

After I install my Bitcoin client (0.9.3 64 bit on Win7) I can run it one time without problems. It won’t start up a second time, though, and terminate with the following error: EXCEPTION: ...
1
vote
1answer
391 views

Windows vs Linux for bitcoind (not mining)

What is the best O/S for bitcoind, which serves as a backbone for an online payments processor? Right now it is set up to run under Windows but I'm not sure if this is the best choice if they ...
1
vote
2answers
395 views

CGMiner freezing on anything above intensity 16

I have 2 x Sapphire 7950 Boost cards running on Windows. I can only get them running stable on intensity 16 using CGMiner. Anything above that and the whole system freezes up (screen stays on but ...