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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3answers
16k views

Command-line OCR in Windows 7

What are some command-line OCR utilities that will work in Windows 7 64-bit?
1
vote
1answer
380 views

Windows 7 webcam not functioning with warning message “Camera is used by other application”

A friend of mine told me her webcam is not functioning during her Skype call session. Symptoms/tests: Running the Skype video test gives the warning "Camera is used by other application Searching ...
19
votes
3answers
30k views

Can I change the PATH environmental variable in Windows 7 without restarting?

Is there anyway to change the PATH environment variable (or variables in general) on Windows 7 Exterprise (64 bit) and have it take effect in PowerShell or the command prompt (cmd.exe) without ...
12
votes
6answers
88k 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?
9
votes
8answers
13k 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 ...
8
votes
2answers
19k views

How to find the source of this BSOD? How to fix it?

I occasionally (always at the least convenient moment...) receive this BSOD on my Windows 7 desktop PC: Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.256.1 ...
5
votes
3answers
8k views

Add Notepad to Right-click new menu in Windows 7

Here's what my right-click menu looks like: There used to be a "New Text Document" item there but it's gone. Here's my registry value: Any idea how to fix it?
5
votes
1answer
11k views

Installed Memory (RAM): 8GB (4GB Useable)

I have 4X 2GB RAM sticks installed, Windows 7 Ultimate x64 shows "Installed Memory (RAM): 8GB (4GB Useable)" in the system information. The motherboard says it supports up to 16GB of memory. I had ...
5
votes
4answers
9k views

Can't access some websites with any browser

I'm running Windows 7 64-bit on a new Samsung laptop and accessing the internet okay via ethernet cable to my university's ISP. Some sites work fine (e.g. google.com) but I can't access others at all ...
5
votes
6answers
33k views

How do I repair the .Net Framework on Windows 7

So I ran spyware doctor and it had a bunch of malware stuff. I clicked "Remove" but failed to create a restore point first. Now my websites running on .net 2.0 as well as visual studio 2008 are not ...
4
votes
5answers
6k views

How Does One Remove Duplicate Text Lines From Files Larger Than 4GB?

I am looking for an open source (possibly 64 bit) windows text editor that will allow me to remove duplicate lines from an extremely large (4GB+) text file. What do you use to remove duplicate lines ...
4
votes
2answers
10k 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
1answer
7k views

Downgrade from Windows 7 Ultimate to Home Premium?

A few months ago, I acquired a Windows 7 Ultimate product key and updated from Home Premium to Ultimate. Well, now I get the "This copy of Windows is not genuine" message. I have the Home Premium ...
3
votes
4answers
3k views

File corruption after copying files in Windows 7 64 bit using two methods

I have 5000 pictures and other files in a directory taking up 35 GB. I want to duplicate this directory. Method 1: I do a simple copy and paste of the directory in explorer. I have the habit of ...
2
votes
1answer
873 views

MSVCR100.dll missing error even its there

I know that MSVCP100.dll, is part of the Microsoft Visual C++ runtime libraries, so I have them in my PC too. Everything was working fine but suddenly this error start happening when I open my ...
2
votes
2answers
4k views

virtualbox - Why can't I create a 64-bit virtual machine inside another virtual machine? [duplicate]

I am trying to create a new 64-bit Windows 7 virtual machine inside a 64-bit Debian 7.3.0 instance running in VirtualBox. I am allowed to run 32-bit machines, but I can not create 64-bit machines, as ...
2
votes
4answers
2k views

What's the difference between 32 & 64 bit Windows for hardware [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems What is the difference between the 32 and 64 Windows? To move to 64 bit, does that mean just different software, or does it also require ...
1
vote
2answers
5k views

Is there a technical reason why 32-bit windows is limited to 4Gb of RAM? [duplicate]

Possible Duplicate: Why does Windows only show about 3.5GB of my 4GB+ of RAM? can a 32-bit OS machine use up all 8GB RAM + 20GB page file? As you can see in this table, all versions of ...
1
vote
3answers
3k 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
2answers
1k views

Determine whether or not I can install a 64-bit operating system (Linux) from the BIOS

My Windows XP installation has become unusable for some unknown reason. Since Microsoft is going to end support in a few days anyway, I decided to install Linux Mint. For optimal hardware ...
0
votes
2answers
6k views

Does a motherboard have to support 64-bit or is it just the CPU?

Do I need to have both components to support 64-bit, motherboard and CPU. Or is it just the CPU that matters?
13
votes
1answer
15k views

Is my Windows 7 x86 license key valid for a x64 installation of Windows? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I've just got a new laptop with Windows ...
12
votes
3answers
14k views

Why does Windows 7 install 64 bit apps in the Program Files (x86) folder? Can I change the behaviour?

I've been using the 64-bit version of Windows 7 since the CTP and have run into a few problems with applications that get installed in the C:\Program Files (x86) folder. What's the purpose of having 2 ...
11
votes
5answers
2k views

64 Bit OS and RAM

How much RAM can a 64-bit Windows 8 Ultimate Operating System use? I have read on the Microsoft website that you can place up to 512 gigabytes (GB), but to my understanding, I thought 64-bit implies ...
7
votes
1answer
14k views

How to turn off WinHttp proxy?

Not too long ago I turned on a proxy for WinHttp traffic like this (from this article): netsh winhttp set proxy 127.0.0.1:8888 How can I turn the proxy off now? I can't seem to get the syntax ...
7
votes
4answers
425 views

Is there any 64-bit software for Windows that is much preferable to its 32-bit counterpart in a 64-bit OS?

I was searching for a free 64-bit antivirus, since I read somewhere here on SU that its much better for 64-bit systems than the 32-bit version, I have only found 32-bit versions with 64-bit OS ...
7
votes
6answers
12k 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?
4
votes
3answers
5k 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
4k views

Different available keyboard layouts in language bar and Text Services and Input Languages

I don't really know a good way to describe this problem, so please take a look at the picture. There should be something odd about it. My problem is that when I install Serbian Latin layout, CJK ...
4
votes
3answers
1k views

Are there any advantages to running a 64 bit OS on 4GB of RAM? [duplicate]

My laptop has 4 gigs of DDR2 RAM and I am currently using a 32bit windows 7 OS. Will I notice any performance difference if I upgrade to 64bit or does all the benefits of X64 start at 5GB of RAM?
3
votes
3answers
5k 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 ...
3
votes
3answers
5k views

Do 32 bit apps run slower (on Windows 7) on the 64 bit version than on the 32 bit version?

Assuming a fairly fast CPU (Dual Core 2.9 Ghz) and 4 GB of RAM, will the typical 32 bit app run at : Faster Slower Same speed on the 64 bit Windows 7 than on the 32 bit version?
3
votes
2answers
2k views

What (traditional) modems work with Windows Vista 64-bit or Windows 7 64-bit?

I have a US Robotics v.Everything modem that I occasionally used for fax and Internet dial-in backup access. However, that modem connected to my previous PC using a plain RS-232 9-pin serial port. ...
2
votes
1answer
5k views

How can I remove BIOS unknown password on HP 620 laptop

While installing a new virtual machine (Windows Server 2008 R2 x64) I got a message saying : This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not ...
2
votes
2answers
4k views

How do I resolve BSOD: PAGE_FAULT_IN_NONPAGED_AREA?

I have been trouble shooting this for a few days and cannot fix this anyhow. Computer specifications Mobo: ASUS Sabertooth X58 LGA 1366 Intel X58 SATA 6Gb/s USB 3.0 ATX Intel Motherboard CPU: ...
2
votes
3answers
4k views

Unsigned 64-bit RAID drivers during Windows 7 setup?

I'm in the process of installing Windows 7 64-bit. I use a raid card, Promise tx4300. I have the latest 32-bit & 64-bit drivers for it. During setup, I need to load drivers so that setup can see ...
2
votes
3answers
11k 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
3answers
5k views

How do I get my eSATA drive working in Windows 7 x64?

When I connect my eSATA drive I can see it in the BIOS. But my Windows 7 x64 seems to not detect the eSATA drive, it's not even listed in the Device Manager.. When I just connect the drive using USB ...
2
votes
1answer
4k views

Cannot Acess Folder on Externally Mounted HD

I'm running Windows 7 64-bit, and I've mounted my previous computer's Vista 32-bit hard drive through an external enclosure so that I can access my files on my new computer. I can access every part of ...
2
votes
4answers
27k views

Uninstall the 64-bit version of Internet Explorer 8 (Windows 7)

Can I uninstall or override the 64-bit version of Internet Explorer, so that it won't get activated as the default browser? I would like to leave the 32-bit version installed.
2
votes
5answers
936 views

Is there a good iTunes replacement that works with the iPhone? [closed]

Is there a good iTunes replacement that works with the iPhone? I'm running Windows 7 64-bit.
2
votes
5answers
780 views

Do i have 32-bit or 64-bit?

I have manually installed Windows 7 Ultimate on my AMD on 32-bit, but i am not sure if i have 32 or 64 bit. My Windows 7 System (CP) tells me i have a 32-bit OS, but that my processor is a AMD ...
2
votes
5answers
2k views

Do I need more RAM for programming if I switch to a 64 Bit OS?

Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would ...
1
vote
1answer
8k views

Upgrading from 32 to 64 Bit Windows 7, without losing program installations/games [duplicate]

I recently built a new computer and put the wrong installation of Windows on (32 bit), meaning I cannot use all of my RAM. I would like to upgrade to the 64 bit version, though I already have ...
1
vote
4answers
2k views

Is it possible to migrate programs from 32 bit Windows to a new 64 bit Windows machine (both Windows 7)?

I've got a Windows 7 Pro 32 bit PC. Getting a new Windows 7 Home 64 bit. Is there anything I can use to transfer my programs (the ones that don't come in a 64 bit flavor) to the new PC? There is a ...
1
vote
0answers
281 views

Word 2010 saves thumbnails and tags for “Word 97-2003” only. Not for “Word documents”

If I save a document and check the "Save thumbnail" option in the "Save as" dialog, and add a tag - both don't get saved. But if I save it as a "Word 97-2003". They do. How to solve this? There are ...
1
vote
1answer
395 views

How do I remove Windows 7 installation?

I want to remove Windows 7 installation from a partition WITHOUT destroying any other data on it using Windows 7 booted from another partition. The most obvious way would be to just delete the ...
1
vote
2answers
1k views

WIndows 7 64 bit reporting 3.00 gb usable memory with 4.00 gb installed [duplicate]

Possible Duplicate: How to enable 4GB in my Windows 7 64 bit? I have a computer that I have upgraded to Windows 7 Professional 64bit. It has an intel D945GB1 motherboard, Pentium D Dual ...
1
vote
3answers
7k views

How to upgrade from Windows 7 x86 to Windows 7 x64? [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I want to move up to Win7 64 bit from ...
1
vote
2answers
2k views

64bit vs 32bit Operating Systems, which one to choose having 2GB RAM? [duplicate]

Possible Duplicate: 32-bit vs. 64-bit systems There is several talks about it, most people way "64bit all the way", but I'm wandering if for a 2GB machine 32bit is just fine. Currently ...