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Questions tagged [64-bit]

Refers to processors where data are stored in 64-bit registers. Use for questions about hardware or software only if 64-bit architecture is central to the question. For questions comparing 32 vs. 64 bit architecture, use [32-vs-64-bit] instead of the individual [32-bit] and [64-bit] tags.

382 votes
19 answers
238k views

If 32-bit machines can only handle numbers up to 2^32, why can I write 1000000000000 (trillion) without my machine crashing?

32-bit computers can only store signed integers up to 231 - 1. This is why we have run out of IPv4 addresses and have entered the 64-bit era. However, the number 231 - 1 (2,147,483,647) is not as ...
287 votes
10 answers
259k views

How to get SVG thumbnails in Windows Explorer?

I can open them in browser just OK, but how can I have thumbnails in the Windows Explorer? Edit: I installed Renesis Player as suggested by this answer, but it does not work for me, probably because ...
zbstof's user avatar
  • 3,611
248 votes
11 answers
1.1m views

Kill a process which says "Access denied"

I have a process that I can't kill with either Task Manager or Process Explorer - I get the error "Access denied". The process isn't a Windows executable. How can I kill it? Is there some tool I ...
Tony_Henrich's user avatar
  • 11.9k
229 votes
19 answers
60k views

32-bit vs. 64-bit systems

What are the differences between 32-bit and 64-bit systems? If you have used both of them, what kind of sharp differences have you experienced? Would it be a problem to use 32-bit programs on 64-...
Mehper C. Palavuzlar's user avatar
182 votes
11 answers
104k views

Why does 64-bit Windows need a separate "Program Files (x86)" folder?

I know that on a 64-bit version of Windows the "Program Files" folder is for 64-bit programs and the "Program Files (x86)" folder is for 32-bit programs, but why is this even necessary? By "necessary"...
Stephen Jennings's user avatar
116 votes
11 answers
212k views

Quick way to tell if an installed application is 64-bit or 32-bit

I've got a third-party application (in this case Cognos Data Manager) installed on 64-bit Windows Server 2003. Is there a quick way to determine if an application has been built/compiled as a 64-bit ...
Gary's user avatar
  • 1,420
101 votes
11 answers
82k views

ShellExecute failed (2) error for Notepad++ on Windows 7 64bit

ShellExecute failed (2): Is this command correct? "C:\Program Files (x86)\Notepad++\notepad++.exe [location of file to edit] I seem to have some issue with RIGHT CLICK > Edit with Notepad ++. This ...
Jakub's user avatar
  • 3,171
85 votes
9 answers
278k views

Why Virtual Box won't give me option to create 64 bits guests?

My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it doesn'...
Edy Bourne's user avatar
69 votes
11 answers
281k views

How to open a file for editing in Administrator mode?

I have .config files set to open in Notepad++. The files I edit are typically in protected locations (e.g. c:\windows\, c:\program files..., etc..) thus requiring administrator access. I'd like to ...
AngryHacker's user avatar
  • 18.8k
64 votes
5 answers
40k views

Chrome 100% CPU usage, again - software_reporter_tool.exe

software_reporter_tool.exe belonging to Chrome running at 100% cpu, fan full speed. Deleting it doesn't fix anything, because it gets redownloaded again! Disabling "Protect me from bla bla" doesn't ...
waaaaaat's user avatar
  • 677
62 votes
3 answers
397k views

How can I open the 32-bit ODBC Data Source Administrator in Windows 7 64-bit?

I want to add 32-bit data sources. There seems to be no obvious way to see existing instances of these or create new ones. How can I open the 32-bit "ODBC Data Source Administrator" window in Windows ...
Highly Irregular's user avatar
62 votes
8 answers
315k views

How to reinstall GRUB2 EFI?

After successfully updating my bios, something went wrong and I ended up with a blinking cursor on the top left corner of a black screen. No errors, no nothing. The bios now only listed a SATA: <...
Maxime R.'s user avatar
  • 2,386
60 votes
3 answers
38k views

How do you register the 7-Zip GUI program with the .7z extension in Windows?

For whatever reason, the 64-bit Windows Installer doesn't seem to register the .7z file extension with the 7-Zip GUI (or with anything, as far as I can tell). How do I go about doing it. A simple "...
Clayton Hughes's user avatar
57 votes
3 answers
8k views

Why is the 64-bit version of Windows bigger than the 32-bit version?

The difference in size for the Windows 8 Consumer Preview ISO images, between the 64 bit and the 32 versions is 800 Mb or a difference of 24%. I've never seen a difference so large. Why is there ...
wizlog's user avatar
  • 13.4k
52 votes
0 answers
12k views

32 vs 64 bits... what's the big deal?

Why is it considered to be such a big deal to have a 64-bit computer? Why does it "change everything?" Why do applications need to be designed differently between 32- and 64-bit platforms? And, on ...
stalepretzel's user avatar
  • 1,176

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