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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2answers
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Windows detects only 4.75GB of 8GB RAM [duplicate]

I have Windows 7 64 bits Home Premium with 2x4GB Ram, but the system shows only 4.75GB available in Windows.
14
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7answers
55k 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
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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
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4answers
8k 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
6answers
10k 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
7k 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
2answers
17k 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 ...
6
votes
4answers
4k views

How prevalent are old x64 processors lacking the cmpxchg16b instruction?

The cmpxchg16b instruction for doing atomic 128 bit memory exchanges is not supported on old versions of the x64 processor but it seems like this has been supported by newer versions of the processor ...
6
votes
2answers
16k 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
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
2answers
35k views

The program can't start because MSVCP100.dll is missing from your computer

Hi I'm getting this error when I try to start MegaSync from mega.co.nz Installation worked, but the program doesn't start What could be the issue
4
votes
1answer
4k 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
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1answer
18k 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
3answers
2k 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
4k 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 ...
4
votes
3answers
6k 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
6k 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
10k 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
3k 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 ...
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
1k views

Is there any 64-bit PDF plugin for browsers?

I'm now using a 64-bit version of a browser based on Firefox' rendering engine, but I don't see PDFs inside the browser because all of the readers I found are 32-bit, so their plugins don't work. Is ...
3
votes
2answers
1k 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
4answers
582 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 ...
3
votes
1answer
396 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
6answers
277 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
7k 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
1k 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
986 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
0answers
2k 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
1answer
7k views

Google Chrome install fails with error 0x80004002

I'm using Windows 7 64 bits and I'm trying to install Google Chrome. However, every time I do, I get this error message: Google Update installation failed with error 0x80004002. There is a Show ...
2
votes
1answer
11k views

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

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

HP Envy no longer detects MS 5000 mouse

I bought an Envy 17 laptop running Windows 7 Professional x64. Everything worked fine. My brother showed me Magicka. Decided to buy it. Found I needed a middle button (why don't laptops have middle ...
2
votes
1answer
541 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
3answers
9k views

Upgrade from Windows 7 32 bit to 64 bit [duplicate]

Possible Duplicates: Where do I download Windows 7 (legally from Microsoft)? Can I transfer a Windows 7 license to another computer? When reinstalling Windows 7, does the language, version, ...
2
votes
2answers
3k 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
1answer
3k 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
1k 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
6answers
999 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
2answers
337 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
2answers
254 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
5answers
19k 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
1answer
431 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
4answers
2k views

64 Bit Free Anti Virus [closed]

Related Question Free Antivirus solutions for Windows I am looking for a free native 64 Bit Anti virus package. I know lots / nearly all packages will run in 32bit emulated mode, but I can't ...
1
vote
2answers
163 views

How to reinstall Windows 10 on new hard disk

I've been using Windows 10 for a couple of month now (joined the Insider Preview). Now my hard drive started ticking so I've bought a new SSD and I want to move the windows installation to the new ...
1
vote
1answer
6k views

How to turn off auto start on-screen-keyboard on Windows 7 64 bit?

I'm on Windows 7 64-bit in a Laptop HP Elitebook 8460p I really don't like the keyboard so I plugged in an external usb keyboard and it worked fine, but accidentally I kept pressing the keys cause I ...
1
vote
4answers
638 views

Is my machine 32 bit or 64 bit?

i know this question has been asked a lot on superuser, but i am stuck as i have checked with different applications, windows system information, vmware processor x64 processor utility, cpu-z, ...