OS X :: What Does Calculate Image Checksum Crc - 32 And Md - 5 Mean?
Sep 2, 2009
Whenever I open disk utility, I need to choose between 'calculate image checksum (CRC-32)' and ' calculate image checksum (MD-5)' before I can open disk utility. I always click on either one of them because otherwise disk utility won't open. I am wondering what it means. I called the Apple support about it, but the girl on the phone didn't see it on her computer and couldn't find any info about it.
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Aug 16, 2010
My parents are having the exact problem described in this thread (and I've been tasked with remote tech support): [URL] Upon startup, WinXP gives them a BSOD reboot loop while indicating that a DLL file is possibly corrupt. Booting in Safe Mode won't work, and reverting to an earlier snapshot merely delays the problem by 24 hours or so.
The obvious and ideal solution would be to boot into Repair mode from the install disc and copy the clean DLL to replace the damaged copy. The problem is that, according to the thread, I'll need to first get Fusion to accept a floppy image of SCSI adapter drivers for me to even be able to enter Repair mode. The link for that image was broken in the thread, but a little Googling directed me here: [URL]
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Dec 12, 2009
I am in the process of migrating files from a Dell laptop running XP to my new iMac. Essentially an easy task as all the files are on an external drive.
I have 2 TB of storage on the iMac and thought it would be a relatively simple task to copy from the external hard drive to the iMac.
After connecting the drive to the iMac I then tried to get the size of a directory on the external drive. I've been waiting about 15 minutes now and it still says "Calculating Size".
Just after doing this I started a copy to move files from the external drive to the iMac. Unfortunately all I see at present is the spinning beach ball.
Just wondering if there's a way of cancelling the copy process or of getting some status as to what is happening?
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Mar 23, 2010
I'm an independent contractor and keep track of my hours worked & amount paid for the year in numbers, and thus far its working Great! However, I'm attempting to figure out how much my "pay per hour, per day" is, and need am wondering if there is an easier way to do this.
My spreadsheet is setup like the following:
Rows = Days worked
Column F = Time worked
Column G = Amount paid.
So to figure out how much I made "per hour per day", I simply take Column G divided by Column F for each day. However, I'm currently manually entering this script into each row, and given that I worked over 200 days last year(i.e. I manually enter in row 1 =SUM(G1)/(F1); row 2 =SUM(G2)/(F2), etc.
Is there an easier way to do this? Is there a way to sequentially apply scripts, so instead of manually entering G2/F2, it will automatically apply the =Sum G / F's of that row? I'm on numbers 08
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Mar 19, 2012
I am trying to calculate a route from germany to Spain on Google Maps in Safari Version 5.1.4, but I get stuck with a small window saying (loading) and nothing happens.Also - used to be that, once I enetered the departing or destination city in GM, there would be a list already generated, like in the regular "maps" window. Tried changing the DNS server, then turning it of and back on, nothing worked.
Info:
MacBook Air, Mac OS X (10.7.2)
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Feb 1, 2009
what the MD5 checksum is of the iLife '09.pkg on the retail DVD?
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Feb 2, 2012
Hardware: Macbook Air (Mid 2011) - 256 SSD OSX Version: Lion 10.7.2 Trying to update to 10.7.3. System Update downloads then fails to install (can't remember exactly what it said but I think something about the file not being valid) - tried twice Did startup with cmd-R and used Disk Utilities to repair permissions (twice), also verified disk. Repair permissions did show:
Warning: SUID file “System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAg ent” has been modified and will not be repaired Following Disk Utitlties repair did safe mode boot Tried to use the combo update, but get invalid cheksum - tried three times
Info:
Mac OS X (10.7.2)
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Apr 21, 2012
What is the correct md5 checksum os x-lion 10.7.3 dmg from the appstore?
Info:
MacBook Pro, Mac OS X (10.7.3)
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Apr 24, 2012
I keep getting the message Checksum not valid when I try to update my macbook pro with latest software such as Itunes.
Info:
Mac Pro
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Sep 20, 2009
I forgot the name of a small app that allows to browse a disk and calculate folder sizes in order to clean a disk. I think the icon was a disk with a broom over it.
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Dec 9, 2009
In windows you can select multiple folders and right click and check the size of all the folders combined, on my mac, when I have multiple folders selected and GET INFO, it opens up a window for each corresponding folder and tells me the size of each folder not how much all are in total....aside from a calculator, is there a way to tell the size combined?
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Oct 14, 2009
I installed Snow Leopard about a month ago. Ever since I installed it the Dictionary.app program doesn't work anymore. It tries to start up and then shut down and sends a report to apple (which they obviously don't do anything with it). So, I tried to reinstall the dictionary using Pasifist. After it unpacks the dictionary.app package it gives me two checksum errors. 1. Checksum for file
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May 10, 2012
I've tried downloading OSX Lion from the App Store about 4 times one of them was while it was hard wired directly to the modem using Verizon Fios service. I've tried creating a thumb drive without sucess several times and keep getting a "Restore Failure, invalid argument" error message. The dvd (dvd-r) I was trying to burn I get a "invalid checksum" error message and won't burn also. what I can do to get myself a burned copy of Lion so I can slick my hard drive and start all over?
Info:
iPad 2, iOS 5.0.1
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Jun 13, 2012
We use on our Server the OD. About 25 User can ue with their Account every Computer in the Office. Now wo saw the size of the harddrive has very less free space. When we click Apple-I on the users we see it is very low space uses, but this is because all the private folders are blocked. Is their a way to calculate the Open Directory size of every User Account?
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Mar 18, 2012
i'm trying to get the file size displayed in the finder.i can right click on an individual file to 'get info' and find the size, but can the size be displayed routinely in the finder?i tried to 'view options' but 'size' and 'calculate size' are greyed out and cannot be checked.
Info:
imac 27"
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Sep 3, 2009
I work at a library where we are being given a mac by a donor that contains files that need to be archived. Moved to an offsite RAID storage kind of archived. When ever we do this on a PC, we use FCIV [URL] which will create a checksum as an XML file but will also read a file and a previously created XML checksum to verify the files validity when moved to another server. Does anyone know of a mac app that will do the same? Ive looked at MD5 [URL] but that only creates a checksum message as a .txt file not an XML and will not check a files validity as FCIV will when a file is moved to another server. Archivists are very particular about how their data is saved and being able to verify the validity of the files using checksums like the ones created by FCIV is essential.
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Apr 16, 2012
Safari used to let me drag an image from a webpage to the finder and have the dragged file be saved as an actual image but now all that's saved is a webloc file. I want the image saved, not a reference to the image's URL - do I now have to always use "save as" to save it?
I can understand Safari creating a webloc file if I dragged the site icon from the location bar to the finder, but to make the default behavior for dragging things that are parts of a page (not the page itself) as webloc files seems like a HUGE step backwards for usability.
Does anyone know if there's, say, a key to hold when dragging to avoid saving a webloc file or a defaults command or something to make Safari revert back to sane draging behavior?
Info:
Mac OS X (10.7.3)
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Apr 12, 2012
One software says I cannot upload an image because the image or the container folder does not have permission. Indeed there is one "unknown" in permissions, that I cannot get to a read write no matter how hard I try -- both on the folder, the desktop, and the file (this is all on my laptop) I've done a repair permission.
Info:
iMac, Mac OS X (10.6.8), imac 27"
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May 25, 2012
When a user copies an image from a browser into PowerPoint 2011 he gets text of a link back to the image, not the image itself. But if he copies from a browser into Word he gets the image, and can then copy the image from Word to PowerPoint. Same results with both Firefox and Safari. Behavior is new so I assume it relates to recent software updates but user does not recall accepting any.
Info:
MacBook Air, Mac OS X (10.6.8)
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Aug 2, 2008
I have my PowerBook G4 connected to a Hitachi video projector, using a DVI to VGA adapter.
The problem is that the only projected image I can see is that of my Desktop image. It doesn't display the Dock, menus or any windows.
What settings do I need to change?
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Apr 14, 2009
I recently right clicked a picture to set it as my desktop picture but didn't have the foresight to save the picture in case I wanted to change it later. I still have the picture up but I cannot find where the picture is stored so I can save it for later. I checked HD/Library/desktop pictures but no luck. Does anyone know where these pictures are saved?
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Sep 28, 2008
I made an image of my Windows XP laptop drive using Macrium. I can see the image file there on one of my Mac Pro's internal drives, but Im not able to select in Fusion.. Is there a way to make a Fusion VM from this image? If not, how do I go about creating a VM from my laptops's HD? I'm using Fusion 2.6.
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Sep 10, 2009
Apparently, there are two ways to convert disk images in CDR format to ISO format:
1. Rename diskimage.cdr to diskimage.iso
Or
2. hdiutil makehybrid -iso -joliet -o diskimage.iso diskimage.cdr
The first method is really quick while the second method takes quite a long time. Do the two methods yield the same ISO file? In particular, I would like to convert a bootable CDR disk image to an ISO disk image.
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Feb 19, 2010
I need a transparent hand print (different colors also) for a project. I've gotten a hand print and used a guide to try and make it transparent using Gimp but I can never export it.
I just need a simple program (I have Paintbrush, Gimp, etc) in order to make things transparent!
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Jan 9, 2010
I got an old OS X and I was wondering how I reimage it?
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Dec 2, 2010
So far I've downloaded Toast 10 Titanium, because I heard that I need it to assist me with this, but basically what my problem is, is that I have a program that needs a CD to run it, but instead of a CD I have .iso images. Basically I need to know how to mount the .iso images onto my desktop as a CD so I can run my program successfully.
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Jan 10, 2010
How do you go about mounting an image on OS X?
I got a game installed on my Mac but I've lost the disk. Is there a way I can mount it?
On my old PC I used to use Daemon tools. Whats the Mac equivalent?
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Jul 17, 2010
My idiot teenage son left his retail disks somewhere two states away in his dorm room. I am upgradings his hard drive from a 40 gig to a 160gig in his ibook. We are visiting family so I don't have acess to my disk either. Can I copy his drive to a dvd, and then copy it over after I install the new hard drive? I've done this before, but never with a dvd or cd.
He is running 10.5.8.
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Nov 19, 2007
i've used seashore, pixelmator, and pixel 1.0, and i was wondering if there was some other app that was free and has the same functions as pixelmator. my one quip with seashore was that it couldn't resize images to specifications. (or maybe i never found out how to)
i enjoyed pixelmator except for the fact it was a 30 day trial and had a watermark stamped across it.
what other image editors are out there?
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Feb 18, 2008
With the software that comes pre-installed with the new aluminum imacs can you burn an ISO image to a cd. I am trying to burn knopix to a CD but since i'm new to mac's I am not sure how to go about this on a mac.
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