I have a 9-month-old MacBook Pro (10.7.3). I also have, among others, every version of iTunes since 10.4. Can I safely delete the outdated versions in System Preferences?

I have a 9-month-old MacBook Pro (10.7.3). I also have, for example, every version of iTunes since 10.4. Can I safely delete the outdated versions in System Preferences?

Similar Messages

My 3 year-old macbook pro is very slow. I have run disk utility and virus scan with no improvement. The "beach ball" will spin for minutes at a time when opening, closing or changing windows. Apple Store looked at it a few months ago with no help.

my 3 year-old macbook pro is very slow. I have run disk utility and virus scan with no improvement. The "beach ball" will spin for minutes at a time when opening, closing or changing windows. Apple Store looked at it a few months ago with no help. What can I do?

Under CPU: 3.5% user; 5% system; 91% idle; 441 threads; 90 processes.
Under System: out of 2GB - 54.7MB free; 530MB wired; 603MB active; 862MB inactive; 1.95GB used.
Is too much of the system memory tied up? If so, what can I do to free some up?

I have a 3 year old MacBook Pro with MAC OSX 10.6.8, iPhoto '09 version 8.1.2 and have downloaded two software programs: one is Aperture 3.2 and the other is Photoshop Elements 9 (which I got from a friend who didn't need it). I am totally happy with the

I have a 3 year old MacBook Pro with MAC OSX 10.6.8, iPhoto ’09 version 8.1.2 and have downloaded two software programs: one is Aperture 3.2 and the other is Photoshop Elements 9 (which I got from a friend who didn’t need it).
I am totally happy with the way iPhoto organizes my photos and how I can work with iMovie to create slide shows with music from iTunes, etc.
I have been shooting mostly high resolution jpegs and I continue to learn more and more about photography, post processing etc. I realize that the small adjustments I can make in iPhoto are good, and are adequate most of the time. However, a have started to experiment with shooting RAW images and would like to go the next step, ie. post processing.I am totally technically challenged and need SIMPLE, INTUITIVE programs and am certainly NOT anywhere ready for Photoshop CS whatever!
After having these programs sit on my computer, I decided to try to see if I could figure them out. When I opened Aperture, this is what first comes up.
“Welcome to Aperture 3.2
Your library needs to be upgraded to work with this version of Aperture. Once upgraded, you will not be able to use this library with previous versions of Aperture.
Upgrading a library from previous versions of Aperture 3 generally takes a few minutes or less, though larger libraries will take longer. After that, Aperture 3.2 will upgrade your library's thumbnails, but you can use the application during that time.
Tip: To open a different library, quit Aperture and hold the Option key down while starting Aperture
Current Library Location:
Jadzia (home) -----Pictures------Aperture Library
QUIT UPGRADE”
I have heard horror stories about moving your entire library to Aperture, ending up with 2 libraries, etc. etc. hence my previous reluctance in attempting Aperture. In addition, many of my photography friends are saying: Go with Lightroom 3.....you’ll love it!
So here is my dilemma. I don’t want to mess around with my iPhoto library. All I want to be able to do, is to isolate a few photos, export them to Aperture, Elements, and work on them there, then bring them back into iPhoto.
Can I do this? Should I forget about Aperture and Elements and look at purchasing yet another program like Lightroom?

Export those few photos via the File ➙ Export ➙ File Export menu option with Kind = Original to the Desktop. Then import them into the Aperture library. That would keep one copy in your iPhoto library and another in your Aperture library to edit, etc.
You can use Photoshop Elements 9 from within iPhoto as your editor of choice. However, if you edit a raw file in iPhoto with PSE9 the resulting edited version must be saved outside the iPhoto Library and imported back in as a new file. For editing jpegs just do a Save (not a Save As) and it all will be kept within iPhoto.
Using Photoshop or Photoshop Elements as Your Editor of Choice in iPhoto.
1 - select Photoshop or Photoshop Elememts as your editor of choice in iPhoto's General Preference Section's under the "Edit photo:" menu.
2 - double click on the thumbnail in iPhoto to open it in Photoshop. When you're finished editing click on the Save button. If you immediately get the JPEG Options window make your selection (Baseline standard seems to be the most compatible jpeg format) and click on the OK button. Your done.
3 - however, if you get the navigation window
that indicates that PS wants to save it as a PS formatted file. You'll need to either select JPEG from the menu and save (top image) or click on the desktop in the Navigation window (bottom image) and save it to the desktop for importing as a new photo.
This method will let iPhoto know that the photo has been editied and will update the thumbnail file to reflect the edit..
NOTE: With Photoshop Elements the Saving File preferences should be configured as shown:
I also suggest the Maximize PSD File Compatabilty be set to Always. In PSE’s General preference pane set the Color Picker to Apple as shown:
Note: to switch between iPhoto and PS or PSE as the editor of choice Control (right)-click on the thumbnail and select either Edit in iPhoto or Edit in External Editor from the contextual menu. If you use iPhoto to edit more than PSE re-select iPhoto in the iPhoto General preference pane. Then iPhoto will be the default editor and you can use the contextual menu to select PSE for your editor when desired.
OT

Battery in 2-month old MacBook Pro seems to be losing charge faster.

The battery in my 2-month old MacBook Pro seems to be losing charge more quickly. Also does not charge to 100% as it used to when new.

Hi A,
You have 3 months of free AppleCare phone support, and a 1 year hardware warranty. If I was concerned about anything on my new MBP, I'd contact Apple.

Have a 2 year old macbook pro that won't turn on--logic board?

We have a 2 year old Macbook Pro that will not turn on. A computer repairman said it's probably the logic board. Does Apple warrant that or are we just out $1,700?

When you attach the power adapter, does the led light up? If so, what color?
What happens if you press the external battery check button?
Have you tried a SMC reset?
http://support.apple.com/kb/ht3964
Have you had it evaluated at an Apple store genius bar or an AASP?
Ciao.

I have a 2 year old MacBook Pro and the superdrive has stopped working, it won't take discs in as if there is one already inside but iTunes or the dvd player doesn't recognise that there is a disc inside and if there is it can't be ejected

I have a 2 year old MacBook Pro and the superdrive has stopped working, it won't take discs in as if there is one already inside but iTunes or the dvd player doesn't recognise that there is a disc inside and if there is it can't be ejected, i have tried shutting down and restartinf while holding down the trackpad, as recommended on some forums but that has done nothing
It might be a huge coincidence but the drive was working fine before i installed lion?

Installing Lion would not cause the superdrive to stop working. Are you unsure as to whether or no a cd/dvd is inside? Something may be broken inside and you should consider bringing it in for service.

I have a 2 year old macbook pro os x 10.5.8 want to upgrade to lion

I have a 2 year old macbook pro os x 10.5.8 want to upgrade to lion

Mountain Lion Requirements:
http://support.apple.com/kb/HT5444
App Compatibility:
http://roaringapps.com/
Check both above first. Then call Apple Sales & have them send you a retail Snow Leopard Disk(US $29)...there is no download. Update to 10.6.8, then go to Mountain Lion or Lion if you like(US $19).
Don't know if Apple is still selling Lion...you'll have to ask Apple sales when you call. You need Snow Leopard to get the Mac app store where you can then purchase Mountain Lion...Lion is no longer available in the store.

Hi, I have a 3 year old Macbook Pro 13" and I accidentally cracked the outer screen of my mac book, however the LCD panel is fine and works well. Please advise what to do

Hi, I have a 3 year old Macbook Pro 13" and I accidentally cracked the outer screen of my mac book, however the LCD panel is fine and works well. Please advise what to do. I live in India and I have gone to authorised Apple technicians and they infomed me that I will have to replace the LCD panel as well even though it is not cracked, is this really true or can I just change the outer shell? Also they say that they cannot do it in India... can I do it myself at home?

Since it is 3 years old find a local repair shop that can replace the glass Only. you may have to send it out to a Non Local shop for that but there are some that specialize in doiing that on Mac notebooks.
Apple will ony replace the complete screen enclosure with all normal parts included, LCD, Camera, Aluminum housing and glass as one unit. Which is very expensive. Or you could just use it as a desktop system with external monitor and buy a new notebook.

I have CS5 on my old macbook pro, I need it on my new laptop. I cannot find the installation css, but I have the code. Can I download somewhere? or transfer it from computer to computer?

i have CS5 on my old macbook pro, I need it on my new laptop. I cannot find the installation css, but I have the code. Can I download somewhere? or transfer it from computer to computer? and I've never used a forum before, help!

Downloadable installation files available:
Suites and Programs: CC 2014 | CC | CS6 | CS5.5 | CS5 | CS4, CS4 Web Standard | CS3
Acrobat: XI, X | 9,8 | 9 standard
Premiere Elements: 13 |12 | 11, 10 | 9, 8, 7
Photoshop Elements: 13 |12 | 11, 10 | 9,8,7
Lightroom: 5.7.1| 5 | 4 | 3 | 2.7(win),2.7(mac)
Captivate: 8 | 7 | 6 | 5
Contribute: CS5 | CS4, CS3
Download and installation help for Adobe links
Download and installation help for Prodesigntools links are listed on most linked pages. They are critical; especially steps 1, 2 and 3. If you click a link that does not have those steps listed, open a second window using the Lightroom 3 link to see those 'Important Instructions'.window using the Lightroom 3 link to see those 'Important Instructions'.

My macbook won't let me download the new version of itunes and my ipod won't sync without the new version of itunes

My macbook won't let me download the new version of itunes and my ipod won't sync without the new version of itunes. Please help!!!

Are you running Snow Leopard or later?
Upgrading to Snow Leopard
You must purchase Snow Leopard through the Apple Store: Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store. Access to the App Store enables you to download Mountain Lion if your computer meets the requirements.
     Snow Leopard General Requirements
       1. Mac computer with an Intel processor
       2. 1GB of memory
       3. 5GB of available disk space
       4. DVD drive for installation
       5. Some features require a compatible Internet service provider;
           fees may apply.
       6. Some features require Apple’s MobileMe service; fees and
           terms apply.

I'm running OS10.6.8 on an "old" Macbook Pro with Intel Core Duo 32. My work computer is down and I need to use Photoshop and cannot find a version that will run on here! It lets me use Illustrator 10, Indesign CS6, but Photoshop 4, 5, 5.5 and I can't get

Please help.

Your macbook pro has a 32 bit processor and not a 64 bit processor?
If so, i believe photoshop cs5 is the newest photoshop version that will work on your Macbook Pro.
System requirements | Photoshop
You can get a 30 day trial trial version of photoshop cs5 from here:
http://helpx.adobe.com/creative-suite/kb/cs5-product-downloads.html
Also, photoshop cs through cs4 should work as well, but cs3, cs4 and cs5 will run better since cs and cs2 require Rosetta and can be kinda slow at times.

I inadvertently deleted and emptied the trash bin on Firefox. I have a MAC OSX-VERSION 10.4.11. How can I re-install the latest version of Firefox that is COMPUTER FRIENDLY for the MAC OSX Version 10.4.11? I appreciate any help.

I inadvertently deleted Firefox and emptied the trash bin. I believe it was version 3.5. I have a MAC OSX 10.4.11. After several futile attemps how can I re-install the latest version of Firefox compatible to my MAC system? Thanks!

As of Firefox 4.0 and newer the Firefox builds from Mozilla requires both Mac OSX 10.'''5'''+ and a Intel.
Either you can use 3.6.19 from http://www.mozilla.com/en-US/firefox/all-older.html
Though for you 3.6.18 will be safe also as 3.6.19 was to workaround a font crashing issue on 10.7 Lion that was not fixed in time on Lion before release. http://releases.mozilla.org/pub/mozilla.org/firefox/releases/3.6.18/mac/ and pick your language and download the Firefox 3.6.18.dmg

One month old macbook pro got hang(freeze) once, and kernel panic once: should i need to take some actions or its ok??

my macbook pro 13.3 (OS XLion 10.7.4) is one month old, few days ago it got freezed(hanged) at that time only 2 apps were running google chrome and xcode, i pressed power button (hold it for few seconds) to restrat.
Today when i opened the lid(as my mac was on sleep for last one hour- no apps except finder was running) i saw an error like this "mac encountered an error hold your power button for few seconds to restart......blah blah..something in other languages too", i think some where it used the word "kernel panic".
After restart mac said "your computer restarted because of a reason", below i have copy pasted the reason.
Please suggest me its(this behavior is) okie or should i take it to apple center?, also to note i have never played any game on my mac. Can any body suggest me why this kernel panic happened by seeing the reason below.
Now i am afraid to leave my mac at sleep with unsaved data and that was the exact reason i shifted from windows to mac.
Interval Since Last Panic Report: 1184595 sec
Panics Since Last Report:          1
Anonymous UUID:                    C5B363C1-4906-4416-995D-9E6844AB2293
Mon Jul 23 02:10:19 2012
panic(cpu 0 caller 0xffffff80002ff238): "vnode_rele_ext: vp 0xffffff800cb4d8b8 usecount -ve : -1. v_tag = 0, v_type = 1, v_flag = 84800."@/SourceCache/xnu/xnu-1699.26.8/bsd/vfs/vfs_subr.c:1711
Backtrace (CPU 0), Frame : Return Address
0xffffff807f7cb6d0 : 0xffffff8000220792
0xffffff807f7cb750 : 0xffffff80002ff238
0xffffff807f7cb790 : 0xffffff7f80eab317
0xffffff807f7cb7b0 : 0xffffff7f80eac071
0xffffff807f7cba00 : 0xffffff7f80eacf22
0xffffff807f7cba40 : 0xffffff800052ca84
0xffffff807f7cbaa0 : 0xffffff80002fb9dc
0xffffff807f7cbaf0 : 0xffffff8000313e06
0xffffff807f7cbb90 : 0xffffff800030c990
0xffffff807f7cbc50 : 0xffffff800030cf0e
0xffffff807f7cbf50 : 0xffffff80005cd61b
0xffffff807f7cbfb0 : 0xffffff80002daa13
      Kernel Extensions in backtrace:
         com.sophos.kext.sav(8.0.4)[898EB02E-4A1D-1F59-6625-C0466041D6C4]@0xffffff7f80ea a000->0xffffff7f80eaefff
BSD process name corresponding to current thread: mds
Mac OS version:
11E53
Kernel version:
Darwin Kernel Version 11.4.0: Mon Apr 9 19:32:15 PDT 2012; root:xnu-1699.26.8~1/RELEASE_X86_64
Kernel UUID: A8ED611D-FB0F-3729-8392-E7A32C5E7D74
System model name: MacBookPro8,1 (Mac-94245B3640C91C81)
System uptime in nanoseconds: 31794466080938
last loaded kext at 31452797715630: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f808c9000, size 57344)
last unloaded kext at 31714808214502: com.apple.driver.AppleUSBCDC          4.1.17 (addr 0xffffff7f80833000, size 12288)
loaded kexts:
com.parallels.filesystems.prlufs          2010.12.28
com.sophos.kext.sav          8.0.4
com.parallels.kext.prl_vnic          7.0 15098.770637
com.parallels.kext.prl_netbridge          7.0 15098.770637
com.parallels.kext.prl_hid_hook          7.0 15098.770637
com.parallels.kext.prl_hypervisor          7.0 15098.770637
com.parallels.kext.prl_usb_connect          7.0 15098.770637
com.apple.filesystems.msdosfs          1.7.1
com.apple.filesystems.smbfs          1.7.2
com.apple.driver.AppleIntelProfile          85.2
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.filesystems.ntfs          3.10.1
com.apple.driver.AudioAUUC          1.59
com.apple.driver.AGPM          100.12.42
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleHDA          2.2.0f3
com.apple.driver.AppleMikeyDriver          2.2.0f3
com.apple.driver.AppleUpstreamUserClient          3.5.9
com.apple.driver.AppleMCCSControl          1.0.26
com.apple.driver.AppleIntelHD3000Graphics          7.1.8
com.apple.driver.SMCMotionSensor          3.0.2d6
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.iokit.IOBluetoothSerialManager          4.0.5f11
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleSMCLMU          2.0.1d2
com.apple.driver.AudioIPCDriver          1.2.2
com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d0
com.apple.driver.AppleLPC          1.5.8
com.apple.driver.AppleBacklight          170.1.9
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleSMCPDRC          5.0.0d0
com.apple.driver.AppleUSBTCButtons          225.2
com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.5f11
com.apple.driver.AppleUSBTCKeyboard          225.2
com.apple.driver.AppleIRController          312
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          33
com.apple.iokit.SCSITaskUserClient          3.2.0
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCISerialATAPI          2.0.3
com.apple.iokit.IOAHCIBlockStorage          2.0.3
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleFWOHCI          4.8.9
com.apple.driver.AppleSDXC          1.2.0
com.apple.driver.AppleUSBHub          4.5.0
com.apple.iokit.AppleBCM5701Ethernet          3.1.2b2
com.apple.driver.AppleEFINVRAM          1.5.0
com.apple.driver.AppleAHCIPort          2.3.0
com.apple.driver.AirPort.Brcm4331          530.4.20
com.apple.driver.AppleACPIButtons          1.5
com.apple.driver.AppleUSBEHCI          4.5.8
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.6
com.apple.driver.AppleSMBIOS          1.8
com.apple.driver.AppleACPIEC          1.5
com.apple.driver.AppleAPIC          1.5
com.apple.driver.AppleIntelCPUPowerManagementClient          193.0.0
com.apple.nke.applicationfirewall          3.2.30
com.apple.security.quarantine          1.3
com.apple.driver.AppleIntelCPUPowerManagement          193.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.0
com.apple.iokit.IOUSBMassStorageClass          3.0.1
com.apple.driver.AppleProfileTimestampAction          85.2
com.apple.driver.AppleProfileThreadInfoAction          85.2
com.apple.driver.AppleProfileRegisterStateAction          85.2
com.apple.driver.AppleProfileReadCounterAction          85.2
com.apple.driver.AppleProfileKEventAction          85.2
com.apple.driver.AppleProfileCallstackAction          85.2
com.apple.iokit.AppleProfileFamily          85.2
com.apple.driver.DspFuncLib          2.2.0f3
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.IOSurface          80.0.2
com.apple.iokit.IOSerialFamily          10.0.5
com.apple.iokit.IOFireWireIP          2.2.4
com.apple.iokit.IOAudioFamily          1.8.6fc17
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.2.0f3
com.apple.iokit.IOHDAFamily          2.2.0f3
com.apple.driver.ApplePolicyControl          3.0.16
com.apple.driver.AppleSMC          3.1.3d8
com.apple.driver.IOPlatformPluginLegacy          5.0.0d0
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleGraphicsControl          3.0.16
com.apple.driver.AppleBacklightExpert          1.0.3
com.apple.iokit.IONDRVSupport          2.3.2
com.apple.kext.triggers          1.0
com.apple.driver.AppleIntelSNBGraphicsFB          7.1.8
com.apple.iokit.IOGraphicsFamily          2.3.2
com.apple.driver.IOPlatformPluginFamily          5.1.0d17
com.apple.driver.AppleUSBBluetoothHCIController          4.0.5f11
com.apple.iokit.IOBluetoothFamily          4.0.5f11
com.apple.driver.AppleThunderboltDPInAdapter          1.8.2
com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.2
com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.4
com.apple.driver.AppleUSBMultitouch          227.1
com.apple.iokit.IOUSBHIDDriver          4.4.5
com.apple.driver.AppleUSBMergeNub          4.5.3
com.apple.driver.AppleUSBComposite          4.5.8
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.0
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.7
com.apple.iokit.IOCDStorageFamily          1.7
com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.0
com.apple.driver.AppleThunderboltNHI          1.5.5
com.apple.iokit.IOThunderboltFamily          2.0.0
com.apple.iokit.IOFireWireFamily          4.4.5
com.apple.iokit.IOEthernetAVBController          1.0.1b1
com.apple.iokit.IOUSBUserClient          4.5.8
com.apple.iokit.IOAHCIFamily          2.0.8
com.apple.iokit.IO80211Family          420.3
com.apple.iokit.IONetworkingFamily          2.1
com.apple.driver.AppleEFIRuntime          1.5.0
com.apple.iokit.IOHIDFamily          1.7.1
com.apple.iokit.IOUSBFamily          4.5.8
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          177.5
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          331.6
com.apple.iokit.IOStorageFamily          1.7.1
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.5
com.apple.iokit.IOPCIFamily          2.6.8
com.apple.iokit.IOACPIFamily          1.4
Model: MacBookPro8,1, BootROM MBP81.0047.B27, 2 processors, Intel Core i5, 2.4 GHz, 4 GB, SMC 1.68f98
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In, 384 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333235533642465238432D48392020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333235533642465238432D48392020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.198.4.20)
Bluetooth: Version 4.0.5f11, 2 service, 11 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD HTS547550A9E384, 500.11 GB
Serial ATA Device: HL-DT-ST DVDRW GS31N
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfd100000 / 2
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd110000 / 3
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8509, 0xfa200000 / 3
USB Device: hub_device, 0x0424 (SMSC), 0x2513, 0xfa100000 / 2
USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0xfa110000 / 5
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821a, 0xfa113000 / 8
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0252, 0xfa120000 / 4

I have had a 15" Late 2011 model MBP since December and have never had a kernel panic.
If I do I would take it in for a check up.

My four-month-old macbook pro's battery when fully charged is now down to 2 hours life from 7...in the last week. Why?

I bought my macbook pro 13" about four months ago and have been in love with it ever since - especially as compared to my old PC laptop, the battery stays cool and lasts forever when I am working. Best charge was 7 hours. However, in the last week I have noticed the battery suddenly becoming hot when I unplug the charger, and the best length of time I can get on a full charge is 2 hours.
I have made sure all the settings are for prolonged battery life - which they've been since I first set up - and turned off all programmes running in the background, but this has not made any difference. I have been using iMovie a lot lately which takes a lot of battery which is probably why I didn't notice the battery being low as it automatically seems to make the battery slump to 2 hours when it's on. It's off now, and my battery won't improve.
I have also now followed the instructions (below) about calibrating, but this has had no effect. My housemate bought the same model a month ahead of me, uses it probably slightly less, but his is still 7 hours for a charge.
Is my battery faulty?
Calibration instructions used:
PowerBook G4 (15-inchDouble-Layer SD), MacBook (all models), MacBook Pro (all models), and MacBookPro (17-inch) (all models)
Thebattery calibration for the PowerBook G4 (15-inch Double-Layer SD) and anymodel of MacBook or MacBook Pro has been updated because of a new batteryreleased with this computer. With these computers, follow these steps tocalibrate your battery:
Plug in the power adapter and     fully charge your PowerBook's battery until the light ring or LED on the     power adapter plug changes to green and the onscreen meter in the menu bar     indicates that the battery is fully charged.
Allow the battery to rest in the     fully charged state for at least two hours. You may use your computer     during this time as long as the adapter is plugged in.
Disconnect the power adapter while     the computer still on and start running the computer off battery power.     You may use your computer during this time. When your battery gets low,     the low battery warning dialog appears on the screen.
At this point, save your     work. Continue to use your computer; when the battery gets very low,     the computer will automatically go to sleep.
Turn off the computer or allow it     to sleep for five hours or more.
Connect the power adapter and     leave it connected until the battery is fully charged again.
Tip:When the battery reaches "empty", the computer is forced into sleepmode. The battery actually keeps back a reserve beyond "empty", tomaintain the computer in sleep for a period of time. Once the battery is trulyexhausted, the computer is forced to shut down. At this point, with the safesleep function introduced in the PowerBook G4 (15-inch Double-Layer SD)computers, the computer's memory contents have been saved to the hard drive.When power is restored, the computer returns itself to its pre-sleep stateusing the safe sleep image on the hard drive.

Thanks Sig. The information is here: Anything useful stand out?
Battery Information:
Model Information:
Serial Number:    9G1130CJVD3MA
Manufacturer:    DP
Device Name:    bq20z451
Pack Lot Code:    0000
PCB Lot Code:    0000
Firmware Version:    0201
Hardware Revision:    0002
Cell Revision:    0158
Charge Information:
Charge Remaining (mAh):    5663
Fully Charged:    Yes
Charging:    No
Full Charge Capacity (mAh):    5663
Health Information:
Cycle Count:    59
Condition:    Normal
Battery Installed:    Yes
Amperage (mA):    261
Voltage (mV):    12574
System Power Settings:
AC Power:
System Sleep Timer (Minutes):    10
Disk Sleep Timer (Minutes):    10
Display Sleep Timer (Minutes):    10
Wake on AC Change:    No
Wake on Clamshell Open:    Yes
Wake on LAN:    Yes
Current Power Source:    Yes
Display Sleep Uses Dim:    Yes
Battery Power:
System Sleep Timer (Minutes):    10
Disk Sleep Timer (Minutes):    10
Display Sleep Timer (Minutes):    2
Wake on AC Change:    No
Wake on Clamshell Open:    Yes
Display Sleep Uses Dim:    Yes
Reduce Brightness:    Yes
Hardware Configuration:
UPS Installed:    No
AC Charger Information:
Connected:    Yes
ID:    0x0100
Wattage (W):    60
Revision:    0x0000
Family:    0x00ba
Serial Number:    0x00262704
Charging:    No

I need to upgrade my Mac, is there anyway I can swap my 4 month old Macbook Pro for a iMac or something with a bit more kick? (for video editing)

I would ideally like to upgrade to a new model iMac, as they and my Macbook Pro 15inch, only 4 months old go for about the same price.
Is there any way I can do this through Apple or would I have to go about it in another way. I would like to minimise spending and ideally would not like to buy a completely new computer. What I'm asking, really, is if I can trade the two?

No you cannot trade in. Sell you MBP on eBay for the best value. The best 'bang for your buck' currently offered directly from Apple is their certified refurbished machines:
http://store.apple.com/us/browse/home/specialdeals/mac

I have a 9-month-old MacBook Pro (10.7.3). I also have, among others, every version of iTunes since 10.4. Can I safely delete the outdated versions in System Preferences?

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