Tip & How-To about Apple Mac OS X

Disable the "Are you sure you want to open this file?" warning dialogue in Mac OS X


Starting in Mac OS X Leopard, you may have noticed that when you download a file from the web and go to open it, you will get a prompt saying something along these lines.
This is Mac OS X just being safe, but if you always know for sure what you're downloading it could even be overly safe. You can disable this quarantine message by launching the Mac Terminal and typing the following command:
defaults write com.apple.LaunchServices LSQuarantine -bool NO
You will then need to reboot (although killing the Finder should work as well) for the changes to take effect. To reverse this and get the file quarantine message back, type:
defaults write com.apple.LaunchServices LSQuarantine -bool YES
Again you will need to reboot (or kill the Finder) to have the changes back.

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I am trying to connect my Canoscan 9900F to my Mac OS X 10.6.6 and the driver (is there one?) will not download although it says there is one on the website. The only thing I get is the toolbox.


You can download all the necessary software at this link. Pay close attention to the install and download instructions. These are dmg files and will self install on the Mac. Make sure to choose the right OSX version (Leopard, Snow Leopard, etc) I am a MAC user and tried the download and setup. It worked perfectly!

Jan 06, 2011 | Canon CanoScan 9900F Flatbed Scanner

1 Answer

Cannot add r1800 to Leopard


Important OS X pre-installation instructions: The Macintosh OS X driver found on the CD provided with your product is not intended for use with Intel-based Macintosh computers. If you have already installed the OS X printer driver provided on your product CD, please follow these important instructions before installing the "epson11769.dmg" file:
  1. Open the OS X "Printer Setup Utility".
  2. Select the "Printer Setup Utility" tab and click "Reset Printing System...".
  3. Click the "Reset" button.
  4. Restart your computer.
  5. Install the downloaded "epson11769.dmg" file.
Installation instructions (some of the following steps may not be necessary):
  1. Download the file.
  2. Double-click the downloaded file to create a disk image on your desktop.
  3. Open the disk image.
  4. View the included "Readme First.pdf" document for important information.
  5. Double-click the installer icon to begin the installation
link to driver

disconnect usb, delete all old attempts, do not connect untill prompted by install

Dec 04, 2007 | Epson Stylus Photo R1800 InkJet Printer

1 Answer

my macbook shows a white screen and a sound only and after that nothing happens


JUST TRY TO FOLLOW THE STEPS IT WILL BE VERY HELPFUL
Many computer shoppers choose to buy a Mac not only to use OS X, but Windows as well. That is one strong advantage that Macs have in the Mac vs PC war. Apple computers are capable of running Windows, either through Bootcamp or virtual machines.
So, why aren't Windows PC's capable of running OS X? Well, Windows PC's are capable of running OS X. But, it is against Apple's licensing agreement to do so. Thus, this article is intended for educational and demonstration purposes only. If you want to run OS X the best way possible, get a Mac.
*In order for this to work, your computer must have a processor that supports virtualization. If it does not, you may receive errors. For the most part, any newer processor lines: Core 2 Duo, Quad Core, and Core i7 should all work fine.
But, don't expect to not get errors if you are using an older Pentium 4 machine. The processor must be Intel and not AMD*
Because we will be installing OS X on top of Windows through a virtual machine, the first step is to get some virtual machine software. For this demo, we will be using VMware's Workstation 7.
If you do not feel like purchasing Workstation 7 at this time, you can get a limited trial here. The download may take a good half an hour to complete. Workstation is a 512MB file.
Upon download, go ahead and install Workstation 7 onto your computer. The installation process is very simple just launch the installer, and the VMware installer will guide you through the rest.
One thing to note, when it asks your if you want to do a custom install or a typical install, choose typical install. After the installer finishes, restart your computer
Now that you have Workstation 7 installed, you need a pre-configured VMware virtual machine file to install Snow Leopard on top of. Download this file (alt download) and save it to your desktop.
After you have the pre-configured virtual machine file downloaded, you will need to extract the files using WinRAR or another archive utility. If you do not have an archive utility, you can get WinRAR here.
Note: This file is just a disk image framework, no viruses or anything like that. VMware Workstation uses the disk image format to save and contain virtual machines.
Time to start installing Snow Leopard. Launch VMware Workstation by using the path Start > All Programs > VMware > VMware Workstation. Open up the VMware disk image framework that you just downloaded and extracted.
Select File > Open. Navigate to your Snowy_VM folder, open it, open up the next folder that says "Mac OS X 10.6 Server (experimental).vmwarevm, and choose the 2KB file that is named Mac OS X Server 10.6 (experimental). Click the open button to load the virtual machine.
From the Mac OS X Server tab in the VMware Workstation window, click the edit virtual machine settings icon. You may adjust the hard drive size, memory, etc, to your liking.
Select CD/DVD (IDE) and under the Connection settings, select Use ISO Image File. Click the Browse button and navigate to the Darwin_Snow.iso which is located in your Snowy_VM folder. Click the Open button to select the virtual machine.
Now it's time to power on the virtual machine. Click the Power on this virtual machine option. As soon as the process starts, hold down the F8 key on your keyboard. You should be prompted with a boot menu screen.
If you have not done so already, insert your OS X Snow Leopard Install DVD into your computer's CD/DVD drive. So far, you have loaded a workable virtual machine and framework into VMware Workstation.
Now it's time to actually install Snow Leopard onto that virtual machine disk image. You should see some settings icons located at the bottom right portion of the VMware window. Right-click the icon that looks like a CD and choose settings from the pop up menu.
Go back into the boot screen and select the option C Boot from DVD. Press the F8 button on your keyboard for advanced options and type "-v" without the quotes and hit enter. Now, VMware Workstation should boot your Snow Leopard install disc. It may take a couple of minutes to load
That's all there is to it. You should now be at the normal Snow Leopard install screen. Click continue on the first screen that comes up. On the second screen, click the utilities option in the install window and select disk utility. Use disk utility to change the hard drive format type to OS X Extended (Journaled). Exit disk utility and let OS X install completely.
Upon install of Snow Leopard, your virtual machine will restart. After it restarts you will need to do a couple of things to get into Snow Leopard. Select CD/DVD options, like you did before, and use the Use ISO Image File option.

Sep 26, 2010 | Apple MacBook Mac Notebook

1 Answer

I just purchased the Mac OS x Snow Leopard but I have since heard there has been problems it. Is that true? Do I have to back up all my pictures etc before I install it. I have the Leopard now.


i reccomend always backing up any important files before installing any new os no matter wether a problem has been reported or not you can never be too safe in overwriting but i would also like to say that I havent heard of too many serious problems yet with the new mac os

Sep 15, 2009 | Apple Mac OS X Version 10.5 Leopard Full...

3 Answers

error -37


Hi, sorry you are having problems,
Well, here is what error -37 is: Code: error -37 bdNamErr Description: Bad file name (File System Error)
Basically, it is saying you cannot save a file by that name in that place....
Did you try saving it elsewhere on your Mac, like on the desktop ?
Just a side note, Apple stopped development on AppleWorks some time ago ( 3 years ) in favour of iWork. I highly recommend getting the newest version of iWork 09, it's compatible with all your Works documents and is really built for MacOS X 10.5, Leopard.
What do you mean whe you say “ Before I reimaged the machine ..” ?

Dec 23, 2008 | AppleWorks 6 for mac

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