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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3
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4answers
9k views

Cannot Run .exe from Network Drive

I am trying to run an executable file from a network drive on Windows 7 Professional (64-bit) in order to install a program, but, each time I try, it doesn't run and the following message appears: ...
3
votes
3answers
34k 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 ...
3
votes
3answers
5k views

12GB of RAM only 8GB is usable on Windows 7 64-bit

I'm running a Dell Studio XPS, with quad core processor, two threads per core, with 12GB of installed RAM. According to Windows, only 7.99GB of that RAM is usable. The really weird part is, up until ...
3
votes
1answer
2k views

I'm looking for serial port monitoring software [closed]

I need a serial port monitoring software that works on windows 7 64bit or GNU/Linux and supports at least RS-232. Bonus points are if it's free software or at least freeware. I just need to be able to ...
3
votes
2answers
507 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
19k 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
5answers
47k views

This operation has been cancelled due to restrictions in effect on this computer

I have this HUGELY irritating problem on Windows 7 (x64). Whenever I click on ANY link (that exists on a Word document, Excel or Outlook), I get an alert box with the message: This operation has ...
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
13k 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
2answers
3k views

Can't boot a 64bit Windows USB from a tablet originally installed with 32-bit OS

I have an Acer Iconia W4-820 Tablet which has an Intel Atom Z3740 64-bit CPU, but the Windows version installed on it is 32-bit. I'm trying to install 64 bit Windows on it by making a bootable USB ...
2
votes
3answers
2k views

Disable Reset or Refresh PC in Windows 8

I wish to disable the ability of a user to refresh or reset the PC, it should only be an admin right. How to go about this ?
2
votes
4answers
662 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
6k 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
14k 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
30k 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
3answers
6k 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
604 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 ...
1
vote
1answer
377 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
945 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
5k 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 ...
1
vote
5answers
21k views

64 Bit Windows drivers for Inspiron 1720

Dell doesn't seem to offer 64 bit drivers specifically for the Inspiron 1720 (laptop). I'm going to be upgrading from Vista 32-bit to Windows 7 64bit and I want to pull down the necessary stuff before ...
0
votes
1answer
7k 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
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
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
8k 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
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 ...
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votes
2answers
2k views

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.
-4
votes
3answers
266 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 ...
15
votes
7answers
59k 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?
8
votes
2answers
19k 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 ...
7
votes
3answers
5k 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 ...
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
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
9k 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
2k 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
4answers
14k views

Auto-connect Bluetooth headphones in Windows 7 64bit

I have a pair of bluetooth headphones that I've successfully paired with my Windows 7 64bit machine and audio plays through them without a hitch. On the Device Stage under the properties of the ...
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
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 ...
4
votes
1answer
21k 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
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
7k 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)
3
votes
3answers
16k 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 ...
3
votes
1answer
183 views

Meaning of (x86)

I want to download ODI tool for some work. But on the link here, it asks platform description. I am unable to decide b/w Microsoft Windows (x86) and All Platforms (including x64). I am using Windows ...
3
votes
3answers
13k 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, ...