64-bit refers to processors that have a word length (the fundamental data type of registers and memory transfer operations) of 64 bits, allowing each word to hold 2^64 = 1.845 x 10^19 discrete values (over 4 billion times as much as a conventional 32-bit word).

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13
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4answers
31k views

Huh? JDK not found? (on Windows 7 64-bit)

I am setting up a development environment for the latest Android 2.3 on a fresh install of Windows 7 64-bit. I first installed the 64-bit JDK 6 (jdk-6u23-windows-x64.exe). Then, I installed 64-bit ...
9
votes
4answers
11k views

How do I know if my linux kernel is running in 32bit or 64bit?

When I do a cat in /proc/cpuinfo it shows a line with clflushsize : 64 Does this mean my kernel is running in 64 bits?
6
votes
2answers
11k views

Difference between ia64 and x64

What is the difference between ia64 and x64?
6
votes
5answers
8k views

Why can't Windows 7 x64 use all installed memory?

I'm running Windows 7 x64 RTM on a Dell Latitude D520 w/ 4gb memory. The system control panel reports: System type: 64-bit Operating System Installed memory: 4.00 GB (3.24 usable) Why isn't ...
5
votes
1answer
7k views

Installed Memory (RAM): 8GB (4GB Useable)

I have 4X 2GB RAM sticks installed, Windows 7 Ultimate x64 shows "Installed Memory (RAM): 8GB (4GB Useable)" in the system information. The motherboard says it supports up to 16GB of memory. I had ...
5
votes
4answers
21k views

iTunes 9 (64-bit version) installs on “\Program Files (x86)” on Windows 7: is this normal?

I downloaded iTunes 9.0.3 (64-bit) on my Windows 7 64-bit OS and I noticed that on installation the default directory was \Program Files (x86). I didn't change this, everything worked a charm. ...
4
votes
2answers
7k views

How can I monitor a virtual serial port in Windows 7?

I need to listen to everything that goes (both directions) through a virtual serial port on Windows 7 64bit. I do not need to send anything, just monitor the communication for debugging purposes. ...
4
votes
4answers
3k views

Is there a windows command that returns the list of 64 and 32 process?

I am looking for a solution to locate which process are running over 64 and which ones on 32 bits on my Windows Seven 64 system, there is a simple windows shell command available to do that???
4
votes
3answers
4k views

Is it possible to run 64bit applications on a 32bit operating system, if the hardware is 64bit?

I have a PC with 64 bit capable hardware. I installed a 32 bit Ubuntu distribution and I would like to know if it's possible to run 64bit applications on it (kinda like Mac OS X Snow Leopard works).
4
votes
7answers
3k views

Why wouldn't I want to run Windows Server 2008 R2 Enterprise x64 instead of Windows 7 Ultimate x64?

I'm currently running Windows 7 RC and I'm ready to pave and reinstall on my laptop. Are there features in Windows 7 I won't have access to if I install Server 2008 R2? Are there applications or ...
3
votes
3answers
4k views

12 GB of RAM only 8GB is usable

Hi I'm running a Dell Studio XPS, with quad core processor, 2 threads per core, with 12 GB of installed RAM. My problem is according to windows, only 7.99GB of that RAM is usable. The really weird ...
3
votes
3answers
5k views

iTunes slow loading on Windows 7 x64

my pc has windows 7 ultimate 64 bits installed and 4 GB of DDR2 RAM, working with an Athlon II X3 435 (2.9Ghz) processor. When I start iTunes, it takes 6-7 seconds to load, and that's too much. I ...
3
votes
2answers
431 views

64 bit Vs 32 bit Windows Seven

I'm looking to build a new computer and was wondering what the difference is in 32 vs 64 bit Windows Seven. I do know that 64 bit allows for more RAM. Also, will old programs run on a 64 bit machine? ...
3
votes
1answer
14k views

How to use IrDA adapter as serial port?

I remember back in windows 98 era that you could install IrDA adapter and associate serial port with it so it would work just like rs-232 to infra-red adapter. Is such thing possible on windows 7? Is ...
3
votes
3answers
19k views

Is there a way to find rootkits on 64-bit Windows 7

I was at work and got a help desk call about a rather severe malware infection and it got me thinking about my own computer. I am running Windows 7 64-bit RC1 on my everyday laptop. I run ESET ...
3
votes
1answer
12k views

Converting an .EFX (eFax) File to PDF/JPG Without eFax Messenger?

Yeah, that's right, somebody sent me a fax, possibly from the the '90s, but I won't know until I am able to open it. eFax Messenger won't install on my 64-bit Windows version, and the site won't let ...
2
votes
1answer
8k views

How to access WebDAV using Windows Explorer on Windows 7?

Using cPanel on my shared web hosting account, I set up a WebDAV directory and account. But neither the Wizard-based "Add a network location", nor the net use approach result in any successful ...
2
votes
1answer
18k views

Why is my 32bit ODBC connection not showing up in odbcad32.exe?

I have a Windows 7 64bit system that must run a 32bit application that accesses a MSSQL Server 2005 express via an ODBC connection. After installation everything was working fine. Now a few weeks ...
2
votes
4answers
534 views

32 to 64-bit with more RAM, or SSD? [closed]

I'm considering either going 64-bit Windows (Dell i7 laptop) or getting an SSD. I can only get one. Things I run a lot: SSMS Visual Studio Office 2010 Lots of programs simultaneously. What will ...
2
votes
4answers
4k views

Canon RAW (CR2) codec for Windows 7 x64

I have a Canon DSLR, and I shoot in RAW. I have no problem viewing and editing the pictures using Picasa or Lightroom, but I would like to have the pictures thumbnails in Windows Explorer, and to be ...
2
votes
3answers
12k views

Minidump folder cannot be found

Although I have enabled the creation of minidump files in my system, it appears that either Windows doesn't create them where the Startup and recovery dialog points to (%SystemRoot%\Minidump) or at ...
2
votes
4answers
27k views

Install Adobe Flash 64-bit in IE8 on W2K8 R2

The situation. The BBC iPlayer worked in IE8 before I upgraded to W2K8 R2. The BBC iPlayer works in Mozilla now! In IE8 the iPlayer tells me to get Adobe flash, when I go to the Adobe site I get ...
2
votes
5answers
3k views

Pin to taskbar icon gets (2) appended

After upgrading from Vista to Windows 7, I find that I cannot Pin the application "Shiretoko (64-bit)" to the taskbar without it getting a label of "Shiretoko (64-bit) (2)". I don't have any other ...
2
votes
3answers
5k views

Substitute drivers for a 32 bit printer on a 64 bit OS

I'm trying to use an old GCC Elite 12N B&W laser printer for printing schoolwork and other miscellany on 64 bit Windows 7. The only drivers available are 32 bit. As far as I know, it's not ...
1
vote
1answer
284 views

Text-mode emulation on 64-bit Windows

In 64-bit Windows, it is no longer possible to enter hardware textmode in the terminal by hitting Alt+Enter. Is there a terminal/console software that supports emulation of VGA text modes?
1
vote
2answers
857 views

Is there any way to get around not having 64-bit drivers for a USB device?

I'm running Windows 7 Ultimate x64, and I have a USB mixer that doesn't yet have 64-bit drivers. Is there some way to make it work? Would running a 32 bit virtual machine work?
1
vote
1answer
4k views

Logitech QuickCam Pro 9000 & Windows 7 64-bit failing miserably

I am trying to install a Logitech QuickCam Pro 9000 webcam to Windows 7 64-bit. If I do it without using the Logitech drivers but instead the Windows Update ones, the camera works with low frame rate ...
0
votes
1answer
4k views

Can't start video. Try closing other programs that might be using your webcam

My webcam doesn't work, I installed the camera driver. Camera option in Skype: I closed all programs but camera not work
0
votes
1answer
460 views

Create a folder shortcut in “My Computer”

I'm trying to add shortcuts to folders in "My Computer". This .reg almost works, I can execute programs like EXPLORER.exe, but I want to open a folder in the same window. Can someone please point out ...
0
votes
1answer
1k views

Codec for MPEG2 file on 64 bit Windows 7 system

Can someone point me to a 64-bit MPEG2 codec for Windows 7? I am trying to read some big MPEG2 files using MATLAB's VideoReader. I get an error saying I should install a MPEG-2 codec, but I haven't ...
0
votes
1answer
2k views

Acronis True Image 2011 makes my machine run really slow?

I just bought and installed Acronis True Image 2011 (I downloaded the new version using the installer). When I boot into Windows 7 Ultimate 64-bit after installing it, the login runs very slowly, (I ...
0
votes
3answers
7k views

Pinnacle Studio 14 Importer crashes on Windows 7 x64

Pinnacle Studio 14 Importer crashes on Windows 7 x64, thus I'm unable to import videos from my camcorder. I've Googled around and it seems to be a problem with x64 support in the program, but there is ...
0
votes
0answers
2k views

How can I get 32-bit Direct3D working on my 64-bit Windows 7 system?

I recently upgraded a Dell Inspiron 6400 to Windows 7 Ultimate 64-bit. I have a 32-bit 3D application that refuses to run, giving an error of "Failed to initialise [sic] Direct3D device". The dxdiag ...
0
votes
1answer
2k views

“New Tab” freezes opening link in 32-bit Explorer on 64-bit Windows-7

The title says it all. When running 32-bit Explorer on 64-bit Windows-7, right click a link and select "Open in New Tab", a new tab opens, tab caption is"Connecting...", but it never connects and the ...
13
votes
7answers
51k views

Best way to mount an image in Windows 7 64-bit [closed]

What is the best way to mount an image in Windows 7 64-bit?
9
votes
4answers
9k views

How can I get my 64-bit computer to recognize all of my RAM

I've recently upgraded my system from 6GB of RAM to 12GB. Once I installed the new RAM, Windows 7 shows in my System Information that I have "12.0 GB installed (7.99 GB usable)". Although less common, ...
7
votes
1answer
2k views

Is it OK to install 32 bit programs in “Program Files” on 64 bit windows instead of "Program Files (x86)?

My understanding is that by convention, 32 bit programs go in "Program Files (x86)", and 64 bit programs go in "Program Files" on 64 bit windows. Further that generally, well-behaved installers will ...
7
votes
4answers
7k views

Invalid BOOT.INI (dual boot XP with 7)

I had Windows XP x64 as my main system, and i also had a second partition with Windows XP x64. Both booted from first partition (C:) I then installed Windows 7 Ultimate on the first partition. I've ...
7
votes
7answers
8k views

How can I find out whether my Windows is 32bit or 64 bit?

How can I find out whether my install of Windows (specifically XP and Vista) is either 32 or 64 bit? Additionally, how can I find out if my hardware will support a 64 bit operating system?
6
votes
2answers
12k views

How to insert registry entries from a .reg file into 32-bit registry, on 64-bit Windows

In 64-bit windows (Vista/7), there's HKLM/Software/Wow6432Node where all the 32-bit registry stuff is. If I have a .reg file with some keys in it, how can I tell regedit to import it into the 32-bit ...
6
votes
6answers
3k views

Weird networking problem ( Linksys, Windows 7 )

Okay it's a bit tough to figure out where to start from, but here is the basic summary of the issue: During general internet usage, there are times when any attempt to visit a website stalls at ...
5
votes
2answers
15k views

Is there a free way to monitor a serial port on Windows 7 x64? [closed]

The title questions pretty much says it all. I've looked around quite a bit, but I have yet to find a free way to monitor a serial port (without opening or blocking it from other applications), that ...
5
votes
4answers
2k views

64-bit OS on a 32-bit processor

Can we install a 64-bit OS in a system having 32-bit processor?
4
votes
1answer
3k views

Windows 7 x64 reports 8.00GB installed ram, but only 3.47Gb usable [duplicate]

Possible Duplicate: 8.00GB RAM (3.22GB usable) in Windows 7 x64 Lenovo Z575 laptop with 8GB RAM Windows Ultimate, 64-Bit, Service Pack 1, installed this evening with latest drivers etc. AMD ...
4
votes
3answers
1k views

Computer Fans go to 100% when shut down

I have a Asus P5Q Deluex motherboard and ever since I installed Windows 7 when I shutdown or the computer goes into Hibernate mode the fans turn on to 100%. It will be running super quiet when ...
4
votes
2answers
2k views

Flickering Java application GUI on windows 7

I am trying to use the jMonkeyPlatform to create a game, but the GUI of the application keeps flickering black on refreshes and resizes of the panels. I found issues on more programs that have this ...
4
votes
3answers
5k views

Can I run 64-bit executables on a 32-bit Linux?

If yes, how? OS: 32-bit Red Hat Enterprise Linux Client release 5.4 (Tikanga)
4
votes
7answers
5k views

Is 4GB Ram sufficient for a 64 bit OS

I am aware that 32 bit operating systems cannot make full use of a 4GB installation, however is that extra .5 GB in any way useful when using 64 bit? Doesn't the double word length of memory pointers ...
3
votes
3answers
6k views

Cleaning winsxs - doesn't work [duplicate]

I've tried the cmd command and Windows cleaner with elevated privileges, neither has cleaned winsxs folder. It says that the task has been completed in the CMD, but winsxs is still 14gb. I'm using ...
3
votes
1answer
2k views

how to tell if my code is compiled in 32 or 64 bit

I am using Cygwin (64 bit) on a 64 bit Windows 8 laptop. I notice a lot of the libraries/binaries/etc. say "Cygwin32" on them. If I compile my code using these, will my software take full advantage of ...