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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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).
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3answers
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What mode do modern 64-bit Intel chip PCs run the boot sector in?

I know with older machines like 286s, the first 512 bytes loaded from the first sector of the boot drive to 0000:7C00 in memory were run in 16-bit real mode, but what about modern 64-bit ...
3
votes
3answers
4k 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 ...
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votes
4answers
2k 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???
3
votes
2answers
415 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
12k 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
18k 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
7k 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
4answers
507 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
26k 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
2k 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
252 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
836 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
3k 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
411 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
3answers
2k views

Strange WLAN adapter behaviour; sometimes not detected

I just got myself a brand new Toshiba Satellite L670-187 17,3" notebook. On first boot it worked fine and I could just connect to my wireless network immediately. However, when the notebook has been ...
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
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 ...
11
votes
7answers
48k 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
6k 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
7answers
11k views

Merging “Program Files” and “Program Files (x86)” folders in Windows 7 64-bit

Windows 7 64-bit version installs 32-bit programs to Program Files (x86) folder, and 64-bit programs to Program Files folder. Of course, Microsoft must have a reason for doing that, but as a user I ...
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
7k 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
8k views

Accessing partitions of an USB Flash Drive in Windows 7 64 bit

I have a 32GB Sandisk Cruzer Blade usb flash drive. I use it in many devices such as my car audio system, where they can only read FAT32. I also use it with my Windows, where NTFS is needed since I ...
6
votes
2answers
10k 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
13k 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
1k 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
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
2answers
2k views

Why does CPU Time for the System Idle Process increase *faster* than the wall clock?

My computer has been up for 30 min but task manager shows that CPU Time for System Idle Process at 1:30 plus. Every second it advances another 3 or sometimes 4 seconds. The machine is also running, ...
3
votes
1answer
371 views

Compatibility issue before upgrading Windows 7 64-bit to Windows 7 64-bit Service Pack 1

I have installed Windows 7 64-bit Ultimate edition on my laptop and now i want to upgrade it into Windows 7 64-bit sp1 Ultimate edition. But installer tells me you cannot upgrade because: You can’t ...
3
votes
3answers
1k views

How can I find out if a given program is 64 or 32 bit version?

How can I find out if a given program is 64 or 32 bit version? I can't to do it by simply looking at where it's installed, since some programs need no installer and may be put anywhere. Here, no ...
3
votes
3answers
3k views

8 GB RAM installed, only 7.5 GB usable. Windows 7 64-bit

I just upgraded my computer's RAM, adding another 4 GB to the computer. Windows 7 acknowledges that 8 GB is installed, but says only 7.5 GB is accessible. Any idea why? I thought since I had the ...
3
votes
6answers
271 views

System Maintenance Tool?

Is there a tool you guys would recommend I install on a new 64-bit win7 system that would allow me to keep my registry clean, keep my drivers up-to-date etc?
3
votes
4answers
4k views

Windows 7 RTM 32Bit vs 64Bit (with 4GB RAM)

I just upgraded to 64Bit Win 7 RTM - very happy with it - I also have 4GB RAM. The problem is I bought an expensive Logitech Wireless USB Headset, that sounds really choppy in a 64Bit system - it ...
3
votes
4answers
6k views

Getting 3d acceleration working in Windows 7 64bit on Mac Boot Camp?

I've installed the Windows 7 RC 64-bit edition under boot camp, but I'm have zero luck getting the 3D acceleration working. I've installed all the Mac drivers (including the 64bit Nvidia ones on the ...
2
votes
1answer
135 views

Howto fix RAM Utilization in BIOS? [duplicate]

Begin: Windows 7 Home 32-Bit I addded 4gb of RAM to the computer (3.12gb of 8gb Usable) I upgraded my PC to: Windows 7 Professional 64-Bit Added New Hard Drive Added New Graphics Card End: Windows 7 ...
2
votes
1answer
2k views

Windows 8.1 UEFI x64 & Windows XP x64 Dual-Boot

I want to add option to boot in XP into the Win8.1 boot menu. So I have 2 drives: On the first one I have installed Windows 8.1 x64 UEFI; And on the second - Windows XP x64. Following is what I ...
2
votes
3answers
4k 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 ...
2
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 ...