What is macdefender and is it needed for macbook pro

What is Macdefender? This software tried to download on my computer by itself and during that process said I had viruses on my computer including a trojan. Is it necessary to have a virus software on my Macbook pro? Should I be concerned that several viruses were noted and if so, what should I do? Thanks.

Judy
Your son is correct sooner or later someone will write a virus for Mac. Let's hope it's later! There is perhaps forms of malware that can get to a Mac, but from what more knowledgable than me said it's not likely if one is careful where their surfing, and the malware would have to be clicked on or downloaded. As I said you can download and intstall ClamXav it's free to use and has been around for a long time. If that's give you peace of mind then by all means do so. Actually I run it. You said you were looking at stock photos? Is that a website? I apologize I'm not familiar with. I know flickr. As for browsers I use Chrome as well, but a knowledgeable member of the forums said it is has security issues according the the site ThreatPost. suggesting Firefox was a better choice. However FF 4 has a huge memory leak affecting the Mac version. But I'm comfortable running Chrome. I'm running the developer verision of Chrome. Hope this helps. Thanks for the info.
Joseph

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Hardware Information: ℹ️
MacBook (13-inch, Early 2008) (Verified)
MacBook - model: MacBook4,1
1 2.4 GHz Intel Core 2 Duo CPU: 2-core
2 GB RAM
BANK 0/DIMM0
1 GB DDR2 SDRAM 667 MHz ok
BANK 1/DIMM1
1 GB DDR2 SDRAM 667 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery Health: Normal - Cycle count 670
Video Information: ℹ️
GMA X3100 - VRAM: 144 MB
Color LCD 1280 x 800
spdisplays_display_connector
System Software: ℹ️
Mac OS X 10.6.8 (10K549) - Time since boot: 3 days 0:39:4
Disk Information: ℹ️
FUJITSU MHY2160BH disk0 : (149.05 GB)
- (disk0s1) <not mounted> : 210 MB
Untitled (disk0s2) / : 79.71 GB (57.29 GB free)
- (disk0s3) <not mounted> : 79.98 GB
USB Information: ℹ️
Micron Built-in iSight
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Apple Inc. Bluetooth USB Host Controller
Configuration files: ℹ️
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[not loaded] com.osxbook.driver.xbinary (1.0.0) [Support]
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rEFItBlesser: Path: /Library/StartupItems/rEFItBlesser
Startup items are obsolete in OS X Yosemite
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223 MB WebProcess
146 MB Finder
60 MB WindowServer
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What is the best voice control program for macbook pro

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What connector do I need for Macbook Pro to In Focus Projector? I understand it does not have HDMI input.

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Check out my post on how to output surround sound through your Mac.
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Hi Ralph,
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I"ve had the case open when I changed the HHD and Ram, and can seen where the card slots in. It's held by a supporting arm which lifts up when disconected from the Logic Board. it's weird looking inside, as you can see there are many of the same componants I've seen in other laptops. It is a tidier build though. I'm confident that if I detach the 3 antener conectors and remove the retainer screws a new card will fit back in.
The Genius Bars here in London are highly over subscribed, and I don't think I have the time or budget for that.
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What adaptor do I need for MacBook Pro A1226?

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It's this one:
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Adata sp900 sdd 128-GB ssd, optibay optical drive to replace superdrive, and 16 GB upgrade for macbook pro mid 2012.

Hello everyone,
Thank you in advanced for all of the support. This is my first post to the communities. I just bought a 2.9 GHz core 17 processor MacBook pro mid 2012 13" with 8 GB of RAM and I am in the process of upgrading it. When I bought the MacBook pro originally, I was told that I would never mac out the performance because I do not do a lot of photo/video editing. This is true, but I am an academic researcher and tend to multitask often, having 20+ safari tabs open, SPSS (a statistical program), full screen mail app, full screen calendar app, and preview, iTunes open all at the same time. I often get slow performance and error messages that state low memory. This is why I am interested in upgrading the laptop. I am getting ready to go to medical school and I want to have a powerful laptop. I also want to future proof because I plan on having a dual boot system to mac OS and windows OS.
Because I know I will be maxing out the performance of the computer, I want to take full advantage of upgrades, especially now because the cost of the components is reasonable at the moment. The following are the proposed upgrades:
1. Upgrade my current 8-GB ram (2x4-GB) with 16-GB ram (2x8-GB). I plan on using crucial RAM.
Crucial 16-GB Ram: http://www.amazon.com/dp/B008LTBJFW/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&coli d=2B1KHELSPJPNN&coliid=IYGJWGQDH8LV0&psc=1
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2. Is the listed SSD appropriate and sufficient for my MacBook pro?
3. Is the listed Optical Drive Caddy appropriate and sufficient for my MacBook pro?
4. Is there still a firmware problem that does not allow for SATA 3 (6Gb/s) support in the optical drive?
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6. Does working on any of the listed components void my AppleCare (I plan on keeping all of the original components so I can replace them, if I ever need to see apple support)?
7. What is the best way to put Mavericks onto the SSD to make this my boot drive?
8. What is the best way to make all of my files remain on the HDD, but link to the SSD with the operating system?
9. Has anyone ever successfully upgraded to 16-GB RAM and used their optical drive for a secondary hard drive?
10. Is there any miscellaneous advice for this project?
Please feel free to give partial answers. I know this was a lot of information, but I wanted to be efficient in my post. I am very appreciative of everyone who will contribute.
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rmichaud91 wrote:
Hello everyone,
I just bought a 2.9 GHz core 17 processor MacBook pro mid 2012 13" with 8 GB of RAM
16 GB of RAM is the best you can do.
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RE: eSATA express card/34 and External Hard Drive for MacBook Pro

I have a 17" MacBook Pro and do lots of movie editing. I need a fast external hard drive option to use. My internal is totally used up. Also need a back up drive.
I am a newbie and all of my info is based on googling. My FIRST QUESTION: Can I, and would it be a good solution, to use an express card 34 such as, Sonnet Tempo or Firtek SeriTek/2sM2-E with an external hard drive such as SeaGate 500GB or 300GB.
QUESTION 2: Why do so many of the SATA hard drives come without a case or enclosure?
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What is macdefender and is it needed for macbook pro

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