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).

learn more… | top users | synonyms (4)

0
votes
1answer
3k 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
1answer
3k 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 ...
0
votes
1answer
2k 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
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 ...
-1
votes
1answer
181 views

how to use grub to bypass a 32bit uefi to boot windows 10 x64

I have read in another post that it is possible to boot an x64 copy of Windows 10 on a 32bit UEFI using GRUB. the hardware I am using fully supports a x64bit OS. However, the UEFI is locked to 32bit ...
-4
votes
3answers
660 views

What is the “low memory warning” threshold with 16GB x64 windows?

EDIT4 We now have an answer. Thank you for everyone participating in the test and of course those downvoting the question. With 8GB or 6GB windows 8.1 x64 machine you get a low memory warning if your ...
8
votes
2answers
20k 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 ...
8
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
9k 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
2answers
10k views

How to make an extremely old app run on 64bit Windows? [duplicate]

I have a very old application designed for Windows 3.1. I have been able to use this application on Windows 7, however, that was Windows 7 32bit. Now I have since re-installed Windows to 64bit, and ...
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
4answers
3k views

64-bit OS on a 32-bit processor

Can we install a 64-bit OS in a system having 32-bit processor?
5
votes
3answers
4k views

Where to see which Firefox version is running? (64-bit or 32-bit)

I downloaded Firefox version 43.0.4, 64-bit from their official site and installed it. Before this, I had the Firefox 32-bit version. My OS is Windows 10, 64-bit. I did not remove the 32-bit old ...
5
votes
7answers
8k 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 ...
4
votes
1answer
22k views

Can I convert a 64 bit Windows to 32 bit Windows?

Is it possible to convert 64 bit Windows 7 to 32 bit Windows 7 keeping the settings and installed software where they were ? I am not interested in virtual machine based options.
4
votes
4answers
3k views

Why can I only use 3.47GB of my 8GB of RAM on my Windows 7 64-bit machine?

I had 4GB of RAM and just installed another 4GB. When I go to my computer's properties I see it recognizes all 8GB but I'm still only able to use 3.47GB. My motherboard is an Asus P7H55-M which is ...
4
votes
3answers
26k views

Windows 10 64-bit requirements: Does my CPU support CMPXCHG16b, PrefetchW and LAHF/SAHF?

I'm currently trying to find out whether or not it would be a good idea to update my slightly dated notebook (Windows 7, 64-bit) to Windows 10. The problem is that Microsoft states in their Windows 10 ...
4
votes
1answer
3k views

Windows 7 Processes starting as Suspended

All of a sudden, process that I start from the windows desktop are starting as suspended. For example, I have my Outlook pinned to the start bar. When I click on it the first time, The mouse cursor ...
4
votes
3answers
8k 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
1answer
5k 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 A6-...
4
votes
2answers
3k 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 ...
3
votes
2answers
5k views

Running a 64-bit VirtualBox archive on a 32-bit machine

I received a VirtualBox archive that should import a virtual machine. The archive was created using Mac OS X. The problem is that it works on 64-bit machines, but not on 32-bit. On 32-bit ...
3
votes
1answer
421 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
2k 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
4answers
643 views

Why are so few applications 64-bit? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems I've come to realize nearly every application I use is for 32-bit processors. Why are most programs still like this, considering almost all PC's ...
3
votes
4answers
5k 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
1answer
13k views

Force application to run in 32-bit process on 64-bit Windows [duplicate]

Is there any way to force application to run in 32-bit mode on 64-bit Windows ? My Os is windows 7 64 bit.
3
votes
2answers
3k 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
2answers
10k views

VT-x enabled in BIOS, but disabled in Windows 7

I've been running VMWare Workstation 11, with 32 & 64-bit guests just fine but I haven't run in in a few months. I tried starting it up again and I get: Blockquote Binary translation is ...
3
votes
1answer
905 views

can I upgrade my 32bit windows 8.1 os to 64bit Windows 10 with a bootable 64bit Win 10 disk? or without paying again for 64 bit os? [duplicate]

I've my windows 8.1 os and it's 32 bit. Recently I wanted to try 64 bit programs and I want to upgrade my os to win 10. Can I upgrade my win 8.1 to Win 10 ? With windows 10 64bit boot able disk ...
3
votes
4answers
8k 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
19k views

Check if 32 or 64-bit Windows OS via registry [duplicate]

Possible Duplicate: Detect Windows Server version 32/64-bit in CLI Is there a way to check whether a user is running a 64-bit or 32-bit operating system by looking in the registry? The ...
2
votes
1answer
2k views

Error turning windows features on in Windows 7 64 bit

On 64bit Windows 7 system RTM (fully patched), I'm trying to "turn windows features on". I select a few items (say "Games" or "Telnet Client"), and I keep getting the following error: An Error ...
2
votes
1answer
4k views

Is there a codec to preview Panasonic rw2 files in Windows Explorer for a 64-bit version of Windows?

Have you been able to find a Panasonic .rw2 image file codec to view rw2 images in explorer? (Before you answer, make sure it's for 64 bit :+>)
2
votes
1answer
995 views

VirtualBox - 64 bit OS on a 32 bit host - Pros and Cons

Is is possible to run a 64 OS in a virtual environment host that is 32 bit. Say for example, I am running Windows XP 32 bit. Would it be possible for me to run a 64bit OS using VirtualBox or VMWare. ...
2
votes
1answer
437 views

Windows 7 x64 Network Adapter Fails

Recently I have begun to experience problems with my network access using Windows 7. The computer crashed after waking up from sleep and has not been able to access any network via ethernet since ...
2
votes
2answers
4k views

Computer wakes itself few seconds after hibernation

This is the situation: this is a Dell Optiplex 755, I recently upgraded it to Windows 7 64-bit, it had Windows XP SP3 previously. on XP I never had a problem hibernating the PC, now with Windows 7 64 ...
2
votes
6answers
1k views

Confused between 32 bit OS and 64 bit OS

I have 32 bit Windows Xp on my machine now i want to install Windows 7 64 bit. Can i install it? My machine is 3-4 years old. Does the bits of OS has anything to do with hardware? Or it's just a ...
2
votes
1answer
3k views

Install Grub2 (with EFI-IA32 support) to the ESP partition from within Windows 8.1 (32-bit) - Bay Trail tablet

This is a very complicated idea, and it's been stuck in my head for a while now, so bear with me. In this question, when I say "Grub2", I am referring to the "EFI-IA32 version". The device I will be ...
2
votes
3answers
389 views

Running 32-bit vs. 64-bit programs on a 64-bit OS

If I'm running a 64-bit OS (Windows XP x64 edition) and a program has both a 32-bit version and a 64-bit version, what are the advantages of using the 64-bit version? Will it be faster?
2
votes
1answer
1k views

Ubuntu 12.04 hangs on reboot (“All processes ended within 1 seconds”); how to debug?

I read through a lot of ubuntuforums threads and tried out various things. Still freshly installed Ubuntu 12.04 (64-bit, 3.2.0-38) hangs on reboot/shutdown after the line "All processes ended within 2 ...
2
votes
2answers
2k views

Half of installed RAM is hardware reserved

After a rather arduous and convoluted series of problems that left me without a desktop for ~80 days, I've finally got the thing up and running, having replaced the power supply, motherboard, graphics ...
2
votes
1answer
595 views

How can I see if Windows is getting RADVD advertisements?

I'm troubleshooting my home network setup and am looking for a way to see if windows is receiving radvd advertisements on a certain interface because I believe that my router isn't sending on WLAN. ...
2
votes
5answers
22k views

User-account missing from “Manage Accounts” in windows-7 64bit

I recently installed windows-7 home premium 64-bit on my computer. I had two accounts on it. One admin account and one account of the type "homeuser" (I think it was). This morning when started the ...
2
votes
2answers
256 views

Rescuing Windows XP after formatting the boot disk

My computer has two physical disks: Disk 0 (C:) Windows 7 Disk 1 (D:) Windows XP x64 I've been running a 64-bit version of XP installed on D: for some years but I didn’t realize it was initially ...
2
votes
0answers
3k views

Can't connect to remote desktop via Cisco VPN using wireless connection, works with wired

I have a laptop using Windows 7 64bit connected over wireless connection to a router and then onto the Internet. That laptop was connecting to a Windows 2000 Server over remote desktop through Cisco ...
2
votes
2answers
3k views

How to install 64 bit openGL in linux

I bought a new system with an NVIDIA GeForce 9000 graphics card. I downloaded the 64-bit NVIDIA-Linux-x86_64-190.53-pkg2 from the NVIDIA web site which I have installed in my linux kernel 2.6.26. ...
1
vote
1answer
837 views

Can't Access a file I downloaded since I don't have permissions yet I am admin?

I downloaded some file and everytime I try to copy it or move it somewhere I get these errors Windows cannot access the specified device, path , or file. You may not have the appropriate ...
1
vote
2answers
271 views

Can I run a 32bit version of Windows XP in a Virtual Machine, on a 64bit machine running Ubuntu (64bit)

I believe my title is enough.. I have a 64bit Computer running Ubuntu (64bit). Can I run a 32bit version of Windows XP in a Virtual Machine (VirtualBox)?
1
vote
2answers
7k views

Card reader driver not installing correctly, but same driver used to work

I have an Acer Aspire 7720G-813G32Bn laptop. It has integrated (maybe 3?)-in-one memory card reader. The reader uses Ricoh chip from R5C8 series. I don't know the exact model number. I can't see the ...