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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11
votes
2answers
23k views

How to reinstall GRUB2 EFI?

After successfully updating my bios, something went wrong and I ended up with a blinking cursor on the top left corner of a black screen. No errors, no nothing. The bios now only listed a SATA: ...
22
votes
9answers
57k views

Kill a Process which gives access denied

Sometimes I need to kill a process which is giving me "Access denied" when trying to use the task manager or Process Explorer to kill. I am using Windows 7 64bit. I need to be able to kill such a ...
8
votes
6answers
9k views

Why does my Mac OS X 10.6 kernel run in 32-bit mode?

I have a MacBook Pro (5,1) with 4GB of memory running 10A432 - but it's running the 32-bit kernel. Any ideas why it wouldn't be running in 64-bit mode, and how I can get it to do so?
12
votes
9answers
5k views

Too much memory getting used

I have been feeling this way for a while, looking at task manager mentally ballparking how much physical memory should be in use, and noticing a large disparity. I finally got around to measuring it. ...
6
votes
5answers
4k views

Problem after moving users folder on Windows 7

I've just tried to move my users folder to another drive on 64-Bit Windows 7 Ultimate. However, I can no longer log in as I get the error message: "The User Profile Service failed the logon. User ...
3
votes
4answers
2k views

“Git GUI” context menu entry for Windows 7 64 bit

Git for Windows doesn't seem to support the extra context menu entries for "Git GUI Here" (or "Git Bash Here") when running on 64-bit systems. Is there some other way I can get an entry for "Git GUI" ...
15
votes
7answers
30k views

How to disable jusched.exe on Windows 7 64-bit?

I have recently purchased a new laptop from an OEM with Windows 7 64-bit. This system came pre-installed with (among other stuff) the Java Runtime Environment (64bit). This has put the "jusched.exe" ...
8
votes
6answers
24k views

Windows 7 Ultimate 32 bit to 64 bit [duplicate]

Possible Duplicate: When reinstalling Windows 7 or Vista, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I have a Windows 7 Ultimate 32 ...
8
votes
5answers
7k views

Where's my Open-With gVim context menu option in Windows 7?

I have gVim installed. Under Vista and XP, this offered me an addition to either the object context menu of "Edit with gVim", or an addtion to the "Open With" context menu of "gVim". This would let ...
7
votes
4answers
5k views

Linux command to return number of bits (32 or 64)?

What is a Linux command that I can run to programmatically return either 32 or 64 to indicate whether the processor is a 32 bit or 64 bit processor?
6
votes
4answers
7k views

Alternative to Sandboxie for 64-bit systems?

I love the idea of Sandboxie, but unfortunately it isn't supported on 64-bit systems. What is a good alternative that works on a 64-bit version of Windows Vista or 7? I don't really care if it's ...
5
votes
2answers
5k 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 ...
5
votes
1answer
2k views

How to slow down my CPU?

I have vaio z-690 laptop, and it's processor speed is 2.66 GHz. I don't need too much speed, and I'm OK with 2 GHz or even less. Just for browsing websites it's enough. I want to slow down my CPU to ...
4
votes
1answer
5k views

Why would an EFI “BIOS” update break the EFI boot manager?

After successfully updating my P8H67-m pro with the latest "bios" version I ended up with a blinking cursor on the top left corner of a black screen. No errors, no nothing. The bios now only listed a ...
3
votes
3answers
2k 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
1answer
223 views

Looking for a program that automatically updates all other programs [duplicate]

Possible Duplicate: AppFresh-like software for Windows? I am Looking for a program that automatically updates all other programs. I forget to install my updates or sometimes I don't even ...
2
votes
2answers
7k views

Why does Windows 7 64-bit require more memory than 32-bit?

Why does Windows 7 64-bit require more memory than 32-bit, according to the upgrade advisor?
1
vote
3answers
1k views

Windows7 access to Printer shared with XP?

I have, at home, an eeebox running with XP 24/24 with an attached printer (Canon IP5300) installed as shared. We have a few other laptops and PC, all with vista, that can access and print on the ...
13
votes
4answers
30k 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 ...
7
votes
3answers
8k 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?
5
votes
5answers
6k 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 ...
4
votes
2answers
4k views

Difference between ia64 and x64

What is the difference between ia64 and x64?
4
votes
3answers
2k 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
2answers
5k views

Can I use a Windows 7 Professional 32-Bit OEM licence to install the 64-Bit version, too? [duplicate]

Possible Duplicate: When installing Windows 7 or Vista, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I plan to buy a Notebook that ...
3
votes
3answers
704 views

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
3k 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
4answers
1k 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
377 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
2answers
4k views

How do I set Internet Explorer 64-bit as my default browser?

Windows Vista x64. It defaults to IE 32-bit, and will not allow me to set 64-bit as the default with the "Make Default" button. I'm currently forced to workaround by starting IE 64-bit manually, and ...
3
votes
3answers
17k 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 ...
2
votes
4answers
364 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
2answers
3k views

Terminal emulator with split panes for Windows 7 (64 bit)

I'm looking for a terminal emulator on Windows 7 (64 bit) with a specific feature: to be able to split the command prompt window into multiple panes. It's a great feature of Terminator for gnome, I ...
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
10k 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
21k 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
1answer
10k 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
3answers
4k 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
2answers
718 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
522 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
2answers
6k 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 ...
7
votes
3answers
3k 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
7answers
8k 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
7answers
38k 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?
7
votes
7answers
4k 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
1answer
1k 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 ...
6
votes
5answers
25k views

Windows 7 x64 - How can I test my memory?

People tell me that my computer may have some bad RAM. Is there a way to test it without special equipment?
6
votes
4answers
5k 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 ...
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 ...
4
votes
1answer
2k 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 ...