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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1answer
371 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 ...
18
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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
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5answers
85k 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
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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
18k 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
10k 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
8k 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
32k 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
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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
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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
611 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
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
788 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
5k 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?
16
votes
1answer
13k views

ubuntu: amd64 vs i386?

cant understand what these are even though i've read articles about them. does it has something to do with 32 bits and 64 bits CPU? so why is it saying "AMD"64 and "I386"? AMD is a label just like ...
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 ...
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 ...
11
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 ...
7
votes
1answer
12k 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
424 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
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
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
999 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
4k 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
4k 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
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
934 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
770 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
7k 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
279 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
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
1answer
385 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 ...
1
vote
3answers
1k views

Get dial up internet on Windows 7 computer without PCI cards

I have just purchased the Dell Zino HD for my grandparents, which is fantastic for their needs. The only problem is that is does not come with a built in 56K dial up modem. Does anyone know of a good ...