Why is MacBook WiFi acting up? Slowing down every 5-6 seconds

Configuration: MacBook, WLAN router Zyxel 660HW. Works ok with PowerBook. Three different 10.4.11 MacBooks have same symptoms.
Have been working with macs since the 80's - the workstations are properly configurated, have HD space enough, network is properly defined.
I'm 110% certain that the Airport management in MacBook has some defects. If I remove the com.apple.airport.preferences.plist and restart the MacBook the WS will run some hours without the slowness.
Dear Apple technicians - when do you have the fix available. This, I fear, is a problem for all MacBook users that are using WiFi/WLAN connections.
Urgent response needed - customers are waiting for answers also.

Doubtful Apple will see this, just us other Users here.
Be sure to give this a try...
http://www.apple.com/feedback/

Similar Messages

Why does my Macbook slow down every 4-5 seconds?

I am a big gamer nerd, and recently i have been moving over from x-box to computer.
I have recently noticed when i am playing high graphics games, or any game that takes a good amount of graphics, my computer seems to slow down alot every few seconds.
For Minecraft, i can play it on all the best settings and it will run perfectly fine for 3 seconds, then i get about 8 fps for one second and it repeats. It gets really annoying especially when it is in an intense moment, (or when it makes me fall into lava) This also becomes a big concern on games like Left 4 Dead, it makes these games (that my computer CLAIMS it can handle perfectly) almost unplayable.
This seems to become more apparent as my computer heats up.
Why does my computer do this? and Is there a way to make it stop?

Good that "big gamer nerds" are starting to use the Mac. Not long ago, there were hardly any good games around. Going backwards, yes, it's going to make the MBP run hotter. It's using the max amount of everything running.
To really help you, we would need the exact model of MBP. For example, if you have 15 or 17", you need to make sure you're running with the discrete video card (nvidia or AMD) instead of the integrated Intel version (which is good enough for TV viewing and web browsing). Also, you need to make sure you maximize memory. When I play a game (I only play Starcraft), I shut down all other programs, especially anything that runs in the background (like a twitter feed, though that really doesn't use too many resources). You can use Activity Monitor (it's in your Utility folder) to see what's sucking resources on your computer.
Remember, the game companies want to sell as many games as possible. So they give computer spects that will just barely run the game if you tweak every setting. You want to be way over the minimum settings in processor speed, memory, disk space etc.
Minecraft has known framerate issues on the Mac port of the game. It has nothing to do with you, your Mac, or anything, but the quality of code from the developer.

Why is my 15'' macbook pro Early 2011 slowing down in performance often?

Why is my 15'' macbook pro Early 2011 slowing down in performance often? It's barely got anything in it and it lags alot of times. This is supposedly running on quad-core i7 2.2 yet I have to restart at times to make sure it gets better. Why is that so?
I turn on activity monitor and there aren't even anything taking up power or memory. It just lags out of the blue.

Activity Monitor may still offer a clue. By default, it shows only "My Processes," those related to your user account. To see the real picture, you need to set AM to show "All Processes" as in this view:
Click the header "%CPU" to sort by usage. Most true resource hogs are only apparent in this view.

Why is macbook pro running very slow?

Hi! Could someone tell me why my macbook pro is so slow recently? During exams its really distrubing to having forced pauses.
Thanks for your support! I ve just done the EtreCheck:
Hardware Information:
          MacBook Pro (13-inch, Mid 2010)
          MacBook Pro - model: MacBookPro7,1
          1 2.4 GHz Intel Core 2 Duo CPU: 2 cores
          4 GB RAM
Video Information:
          NVIDIA GeForce 320M - VRAM: 256 MB
System Software:
          OS X 10.9.1 (13B42) - Uptime: 0 days 11:6:7
Disk Information:
          Hitachi HTS545025B9SA02 disk0 : (250,06 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    Macintosh HD (disk0s2) /: 249,2 GB (79,18 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
          MATSHITADVD-R   UJ-898
USB Information:
          Apple Inc. Built-in iSight
          Apple Internal Memory Card Reader
          Apple Inc. BRCM2046 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Computer, Inc. IR Receiver
          Apple Inc. Apple Internal Keyboard / Trackpad
FireWire Information:
Thunderbolt Information:
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [loaded] com.adobe.fpsaud.plist 3rd-Party support link
          [loaded] com.cisco.anyconnect.vpnagentd.plist 3rd-Party support link
          [loaded] com.microsoft.office.licensing.helper.plist 3rd-Party support link
Launch Agents:
          [loaded] com.cisco.anyconnect.gui.plist 3rd-Party support link
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [loaded] com.google.keystone.agent.plist 3rd-Party support link
          [loaded] com.spotify.webhelper.plist 3rd-Party support link
User Login Items:
          iTunesHelper
          Dropbox
          AdobeResourceSynchronizer
Internet Plug-ins:
          JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Outdated! Update
          FlashPlayer-10.6: Version: 11.8.800.168 - SDK 10.6 3rd-Party support link
          Default Browser: Version: 537 - SDK 10.9
          AdobePDFViewerNPAPI: Version: 11.0.04 - SDK 10.6 3rd-Party support link
          AdobePDFViewer: Version: 11.0.04 - SDK 10.6 3rd-Party support link
          CANONiMAGEGATEWAYDL: Version: 3.2.0.1 - SDK 10.6 3rd-Party support link
          Flash Player: Version: 11.8.800.168 - SDK 10.6 Outdated! Update
          QuickTime Plugin: Version: 7.7.3
          SharePointBrowserPlugin: Version: 14.0.0 3rd-Party support link
          Silverlight: Version: 5.0.61118.0 - SDK 10.6 3rd-Party support link
          iPhotoPhotocast: Version: 7.0 - SDK 10.8
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
3rd Party Preference Panes:
          Flash Player 3rd-Party support link
Bad Fonts:
          None
Old Applications:
          CameraWindow:          Version: 7.10.0.2 - SDK 10.5 3rd-Party support link
                    /Applications/Canon Utilities/CameraWindow/CameraWindow.app
          SLLauncher:          Version: 1.0 - SDK 10.5 3rd-Party support link
                    /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
Time Machine:
          Skip System Files: NO
          Auto backup: YES
          Time Machine not configured!
Top Processes by CPU:
               6%          WindowServer
               4%          mds
               2%          EtreCheck
               1%          Google Chrome
               1%          hidd
Top Processes by Memory:
          147 MB          Google Chrome
          123 MB          softwareupdated
          119 MB          com.apple.IconServicesAgent
          111 MB          mds_stores
          94 MB          Spotify
Virtual Memory Information:
          144 MB          Free RAM
          1.69 GB          Active RAM
          1.44 GB          Inactive RAM
          487 MB          Wired RAM
          1.42 GB          Page-ins
          276 KB          Page-outs

@dominic: I did the safe mode start and after the desktop appeard I did nothing and just shut down and start normally again. Is it that? I was thinking that some window should have popped out of nowwhere and give me some diagnose... and tell me what to do... ?
Then after a normal start I did the disk utility thing, I could only verify and not repair since it seems to be ok? :
Then I tried the SMC reset according to the link you sent me, not sure if I did it right cause step 4 and 5 under
Portable computers that have a battery you should not remove on your own
were somehow the same, after I released everything I didnt have to press power button separately (step5), the mac started already (after step4)
@Lex: I'm really wondering about those two old applications
1) I didn't find anything useful about camerawindow or canon tools, except that it helps connecting my canon powershot G15 camera with a smartphone... don't even says if it works with my camera model nor if it works with mavericks...
2) ...Silverlight/OutOfBrowser/SLLauncher.app: Is it needed for what? After looking up it just said useful for webbrowsers, maybe better video quality etc. isn't that something good? if I delete it from my library will there e noteable differences when I use the internet?
besides that i deleted and update like u suggested and did a check again:
Hardware Information:
          MacBook Pro (13-inch, Mid 2010)
          MacBook Pro - model: MacBookPro7,1
          1 2.4 GHz Intel Core 2 Duo CPU: 2 cores
          4 GB RAM
Video Information:
          NVIDIA GeForce 320M - VRAM: 256 MB
System Software:
          OS X 10.9.1 (13B42) - Uptime: 0 days 0:11:31
Disk Information:
          Hitachi HTS545025B9SA02 disk0 : (250,06 GB)
                    EFI (disk0s1) <not mounted>: 209,7 MB
                    Macintosh HD (disk0s2) /: 249,2 GB (76,16 GB free)
                    Recovery HD (disk0s3) <not mounted>: 650 MB
          MATSHITADVD-R   UJ-898
USB Information:
          Apple Inc. Built-in iSight
          Apple Internal Memory Card Reader
          Apple Inc. BRCM2046 Hub
                    Apple Inc. Bluetooth USB Host Controller
          Apple Computer, Inc. IR Receiver
          Apple Inc. Apple Internal Keyboard / Trackpad
FireWire Information:
Thunderbolt Information:
Kernel Extensions:
Problem System Launch Daemons:
Problem System Launch Agents:
Launch Daemons:
          [loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [loaded] com.adobe.fpsaud.plist 3rd-Party support link
          [loaded] com.cisco.anyconnect.vpnagentd.plist 3rd-Party support link
          [loaded] com.microsoft.office.licensing.helper.plist 3rd-Party support link
Launch Agents:
          [loaded] com.cisco.anyconnect.gui.plist 3rd-Party support link
User Launch Agents:
          [loaded] com.adobe.ARM.[...].plist 3rd-Party support link
          [loaded] com.google.keystone.agent.plist 3rd-Party support link
          [loaded] com.spotify.webhelper.plist 3rd-Party support link
User Login Items:
          iTunesHelper
          Dropbox
Internet Plug-ins:
          FlashPlayer-10.6: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
          QuickTime Plugin: Version: 7.7.3
          Flash Player: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
          CANONiMAGEGATEWAYDL: Version: 3.2.0.1 - SDK 10.6 3rd-Party support link
          Default Browser: Version: 537 - SDK 10.9
          SharePointBrowserPlugin: Version: 14.0.0 3rd-Party support link
          iPhotoPhotocast: Version: 7.0 - SDK 10.8
Audio Plug-ins:
          BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
          AirPlay: Version: 1.9 - SDK 10.9
          AppleAVBAudio: Version: 2.0.0 - SDK 10.9
          iSightAudio: Version: 7.7.3 - SDK 10.9
3rd Party Preference Panes:
          Flash Player 3rd-Party support link
Bad Fonts:
          None
Old Applications:
          CameraWindow:          Version: 7.10.0.2 - SDK 10.5 3rd-Party support link
                    /Applications/Canon Utilities/CameraWindow/CameraWindow.app
          SLLauncher:          Version: 1.0 - SDK 10.5 3rd-Party support link
                    /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
Time Machine:
          Skip System Files: NO
          Mobile backups: ON
          Auto backup: YES
          Volumes being backed up:
                    Macintosh HD: Disk size: 232.09 GB Disk used: 161.16 GB
          Destinations:
                    Time Machine Backups [Local] (Last used)
                    Total size: 931.19 GB
                    Total number of backups: 12
                    Oldest backup: 2013-12-17 21:37:11 +0000
                    Last backup: 2014-01-05 11:12:56 +0000
                    Size of backup disk: Excellent
                              Backup size 931.19 GB > (Disk size 232.09 GB X 3)
          Time Machine details may not be accurate.
          All volumes being backed up may not be listed.
Top Processes by CPU:
              22%          WindowServer
              13%          Google Chrome
               3%          hidd
               2%          mds_stores
               1%          EtreCheck
Top Processes by Memory:
          238 MB          Finder
          150 MB          mds_stores
          131 MB          Microsoft PowerPoint
          127 MB          Mail
          106 MB          Microsoft Word
Virtual Memory Information:
          70 MB          Free RAM
          1.61 GB          Active RAM
          1.58 GB          Inactive RAM
          444 MB          Wired RAM
          508 MB          Page-ins
          996 KB          Page-outs
@hands: thanks for note

HT1338 why my macbook pro is running slow now ?

why my macbook pro is running slow ?

Disconnect all peripherals from your computer.
Boot from your install disc & run Repair Disk from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
Restart your computer when done.
Repair permissions after you reach the desktop-http://docs.info.apple.com/article.html?artnum=25751 and restart your computer.
Sluggish Finder - Bunch of icons on your desktop? An overcrowded desktop slows down your Mac. Get rid of needless Finder calculations - Open a window in Finder/View/Show View Options: ensure "Calculate All Sizes" option is unchecked.
Internet related - It's likely that your broadband connection is the bottleneck. You can check your speed on http://www.speedtest.net to see how fast your connection is. If your web browser specifically performs slowly, quit and relaunch it. If browser remains sluggish, empty its cache. Safari/Empty Cache Firefox/Preferences - select the Network tab of the Advanced preferences and click the "Clear Now" button in the "Offline Storage" area.
Application related - Launch "Activity Monitor" - Applications/Utilities - click the CPU heading and see what float to the top. If an application takes up a large chunk of CPU and won't let it go, it could be dragging down your Mac's performance. Quit it by clicking the Quit Process button at the top of the Activity Monitor window.
Too little ram - max out your ram.

Why has the download/buffering speed slowed down for videos?

Why has the download/buffering speed slowed down for videos?
What can be done about it?
TIA,
R. Ober

The problem is with your router, your internet service provider or you have a marginal connection with your router.
Locate your iPad close to your wifi router and see if the problem persists.
 Cheers, Tom

I have a Macbook Pro that was slowing down. The HD was nearly full as I do a video work. I removed over 400gb of photos and video and it made no difference. I ran disk inventory x and that says that there is only 60gb on the hard drive but disk utility sa

I have a Macbook Pro that was slowing down. The HD was nearly full as I do a video work. I removed over 400gb of photos and video and it made no difference. I ran disk inventory x and that says that there is only 60gb on the hard drive but disk utility says there is still 430gb on the HD. How do I remove what DU says is still there.
Thanks

You may notice a difference in available space statistics between Disk Utility, Finder, and Get Info inspectors. This is expected and can be safely ignored. The Finder displays the available space on the disk without accounting for the local snapshots, because local snapshots will surrender their disk space if needed.
About Time Machine's "local snapshots" on portable Macs

My MacBook pro has gradually slowed down to a halt since installing lion. The spooning rainbow is still going after an hour and it won't force quit. Anybody know what to do? Ps new to this! Thanks in advance.

My MacBook pro has gradually slowed down to a halt since installing lion. The spooning rainbow is still going after an hour and it won't force quit. Anybody know what to do? Ps new to this! Thanks in advance.

http://www.apple.com/support/macbookpro-videoissues/

Why does Acrobat Pdf converter file slow down my 2003, Windows Word Program. I only experience this problem when i convert a pdf file to a doc file.

Why does Acrobat Pdf converter file slow down my 2003, Windows Word Program. I only experience this problem when i convert a pdf file to a doc file.

Hi Bill -- thanks for your reply!
When I check the Document Properties on Acrobat I can see that the fonts used in the document (Cambria, Times and Windings) are listed as "Embedded Subset" in the Fonts panel. The machine it was created on did use an earlier version of OS X and an old version of Word, but it seems to have the proper fonts...
-nick

Why does Facebook keep crashing and slowing down my phone?

Why does Facebook keep crashing and slowing down my phone? I have the latest updates. It's driving me insane. I want a different phone!!!!

Stankon69,
We understand how important staying in touch via Facebook can be. We encourage you to remove the application completely from your phone and then redownload the phone.
RobinD_VZW
Follow us on twitter @VZWSupport

HT1338 My MacBook Air is very slow. Every time I click the mouse, the spinning wheel appears and remains for up to 30 seconds. Can you help me?

My MacBook Air is very slow. Every time I click the mouse, the spinning wheel appears and remains for up to 30 seconds before the screen changes. This has been happening the past 24 hours. Any ideas?

First, back up all data immediately, as your boot drive may be failing.
If you have more than ten or so files or folders on your Desktop, move them, temporarily at least, somewhere else in your home folder.
If iCloud is enabled, disable it.
Disconnect all wired peripherals except keyboard, mouse, and monitor, if applicable. Launch the usual set of applications you use when you notice the problem.
Step 1
Launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Activity Monitor in the page that opens.
Select the CPU tab of the Activity Monitor window.
Select All Processes from the menu in the toolbar, if not already selected.
Click the heading of the % CPU column in the process table to sort the entries by CPU usage. You may have to click it twice to get the highest value at the top. What is it, and what is the process? Also post the values for % User, % System, and % Idle at the bottom of the window.
Select the System Memory tab. What values are shown in the bottom part of the window for Page outs and Swap used?
Step 2
You must be logged in as an administrator to carry out this step.
Launch the Console application in the same way as above. Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Post the 50 or so most recent messages in the log — the text, please, not a screenshot.
Important: Some personal information, such as your name, may appear in the log. Edit it out before posting.

TS1363 Why does my I-Tunes keep shutting down every time I try to go to the I-Tunes store?

Why does my I-Tunes keep shutting down every time I try to go to the I-Tunes store?

Hi sidro1!
Here is an article that will help you troubleshoot this issue with your iTunes application:
iTunes for Windows Vista, Windows 7, or Windows 8: Fix unexpected quits or launch issues
http://support.apple.com/kb/ts1717
Thanks for using the Apple Support Communities. Have a good one!
-Braden

How to test hardware on an old MacBook Pro that is slowing down.

I have the very first-gen MacBook Pro 2.0gHz Core Duo, 2gb ram. I have been using this laptop as my primary since I got it, mostly for development work (Java, Objective-C, Web, etc), but also email, general web surfing, and the occational game (although, not in a while).
Recently, I noticed things were starting to "slow down". Well, not slow down so much as things would get long pauses. For instance, I hit a site in Google Chrome, and the app sits there for like 20-30sec of longer, as if the window is frozen, then *poof*, it draws the page. Sometime, Chrome will even pop up asking if I want to kill the page. It is not the only application that seems to be suffering from this, I just spend a LOT of time on the web, so I tend to notice it much more.
Even more recently, my SpringSource Tool Suite (STS, a custom Eclipse with a bunch of SpringSource plugins) started acting up too. Mostly when I start the Roo Shell and execute a command, STS (read Eclipse) will show the command as "executing", but it seemed to never run. I thought it was maybe a problem with STS or the Roo Shell plugin, but yesterday I ran something as a test, then got a phone call and didn't come back for some time. To my surprise after more than 40min of just sitting there the command ran. Once it ran, it ran in full, normal speed (the command I ran was to rebuild the Eclipse project files using Maven). So, what I thought was frozen was merely paused for a long period of time, just like what I was seeing in Chrome.
So, this has lead me to believe I either have some sort of hardware issue, some sort of heat issue (I have seen this on Wintel laptops where the processor "speed steps" down to almost 33mHz), or some sort of software issue. I really don't want to have to re-install OS X, if I can avoid it. I did boot off the original disks that came with my laptop and ran the Hardware Test, but it came back with no errors. I have iStat Pro installed as well, and the fan speeds are usually around 1800-2000rpm, sometimes jumping to 4000+rpm. CPU tempuratures report around 151º. I also ran the Disk Utility off my 10.6 disks. I do know that my DVD burner no longer burns disks, but it hasn't for more than a year.
Laptop specs:
- MacBook Pro, Model MacBookPro1,1
- OS X 10.6.8
- 2.0gHz Core Duo w/ 2gb DDR2 RAM
- Toshiba MK3252GSX 320gb HDD (replacement for factory 120gb HDD over 1.5yrs ago due to space issues)
- I recently replaced the battery, as the old one had expanded. I use the laptop on wall power 99% of the time.
Thanks,
Mike Bauer

As mentioned above, I did do this. What I am not so certain is how intensive this test is. Stated another way: If this was ran and passed 100%, does this mean everything on my laptop is 100% functional, like the fans, processor, cooling, memory, etc? The drive also checked out when I did the Disk Utility from the 10.6 install CDs, and the S.M.A.R.T. check indicates no disk errors.
Maybe I should take it into a Genius and have them look at it. Just not sure how much that will cost me, and its an old laptop, so I don't want to put too much into it.

Why does Safari v5.1.9 slow down?

I recently switched from Firefox to Safari v5.1.9 because I found Firefox too slow. Now it seems that Safari slows down a lot over time. Scrolling becomes jerky and sometimes pauses. Pages don't load/pause and I have to stop loading and restart loading. I have a white Macbook circa 2008 with Snow Leopard v10.6.8 installed with all available updates installed. I am running the current version of Safari v5.9.1 for Snow Leopard. If I quit Safari and restart it, the software goes back to normal speed. I often have 11+ tabs open and almost never shut down and restart my machine. Any ideas? Thanks.

Thanks for your response. This morning I did some experimenting. I ran the Activity Monitor and checked memory usage when Safari had run since yesterday, then I quit Safari and checked, and finally I restarted Safari and checked a 3rd time. Below is a chart I made of the memory usage where the first number is prior Safari, the second number is without Safari, and the third number is after rerunning Safari. BTW: I have 4 GB RAM installed and have 12 tabs open in Safari. Oh, and when I restarted Safari, 5 of the 12 tabs would not reload. I had to close the tabs, open new ones and go back to the web sites manually.
Application - Prior Memory Usage - After Restart of Safari
Safari Web Content 1.10 GB - 441.9 MB
Safari 236.8 MB - with 12 tabs open - 230.8 MB
Flash Player (Safari Internet plug-in) 116.2 MB - 59.6 MB
Memory when computer opened from sleep - after quitting Safari - after restarting Safari
Free: 664.6 MB - 2.27 GB - 1.69 GB
Wired: 453.7 MB - 448.7 MB - 452.3 MB
Active: 2.42 GB - 847.8 MB - 1.53 GB
Inactive: 498.0 MB - 471.5 MB - 337.1 MB
Used: 3.35 GB - 1.73 GB - 2.31 GB
I seems pretty clear to me that Safari uses an extraordinary amount of memory over time and it keeps taking more causing Safari to slow down. This is what a memory leak looks like. It's hard to believe that Safari is so buggy when it has been revised so many times.
Thanks again for your idea. I guess the only solution is to periodically quit Safari and restart it. I think I will check Firefox memory usage later today to see if I should switch back.

Why is the new ITune update slowing down my pc.

I recently updated ITunes...It now comes with a helper exe. Why did this change...It has slowed down my pc something terrible... I am running Microsoft Windows 7 64 bit..and never had this problem before...
Seems I need the helper exe to access ITunes now...I do not like updates that decide what runs or doesn't run....Is there a solution to this. I have one apple product it is an IPad mini...If it wasn't for the fact that I have purchased music and apps. It would end up in the garbage...That is how upset I am...
If this is a way for Apple to make me want to buy their products it will not work...
I have absolutely no problem with the ITune store on my IPad...just on on my desktop.

Hi theresa62,
The resource below explains the processes that are involved with the iTunes software installed with Windows 7. It's possible to use your iPad mini without the corresponding iTunes software on your Windows computer .... but it would limit what you can do with it. You can't sync your iPad with your computer, use iCloud services, etc. without the software. The choice is totally up to you.
iTunes for Windows: Background processes installed on Windows XP, Vista, and 7 - Apple Support
http://support.apple.com/en-us/HT201999
iTunes for Windows: Background processes installed on Windows XP, Vista, and 7
iTunes for Windows (XP, Vista, and 7) installs some processes that run in the background. Below is a brief explanation of what each process does.
Process
What it does
AppleMobileBackup.exe
Backs up the data on your iPhone or iPod touch
AppleMobileDeviceHelper.exe
Listens for commands to help iTunes communicate with devices
AppleMobileDeviceService.exe
Allows iTunes to recognize iPhone and iPod touch
AppleMobileSync.exe
Synchronizes iPhone or iPod touch data with your computer
distnoted.exe
Allows iTunes to sync with iPhone and iPod touch
iPodService.exe
Allows iTunes to access devices.
iTunesHelper.exe
"Listens" for commands to help iTunes communicate with devices (such as iPod).
iTunesPhotoProcessor.exe
Transcodes photos and artwork for devices
MDCrashReportTool.exe
Extracts log reports from the device and submits them to Apple (if selected)
mDNSResponder.exe
Allows iTunes to discover services on the local network (music sharing, Apple TV, AirTunes). Also known as Bonjour for Windows.
SyncServer.exe
Coordinates the synchronization processes
qttask.exe
Provides a QuickTime icon in the Notification area (system tray) of the Windows Task bar. This process might or might not appear depending on your configuration of QuickTime and whether the QuickTime icon is enabled in the Notification area.
Processes depending upon Sync configuration
What it does
dotmacsyncclient.exe*
Syncs the device with iCloud
com.google.ContactSync.exe*
Google contact syncing
com.apple.IE.client.exe
Syncs the device with Internet Explorer
com.apple.Outlook.client.exe
Syncs the device with Outlook
com.apple.Safari.client.exe
Syncs the device with Safari
com.apple.WindowsContacts.client.exe
Syncs the device with Windows Address Book / Windows Contacts
com.apple.WindowsMail.client.exe
Syncs with Windows Mail
com.yahoo.go.sync.client.exe*
Syncs with Yahoo
*These processes will require internet access to sync. You must allow these processes internet access through your firewall in order to complete their functions. For more details, see iTunes for Windows: Troubleshooting security software issues.
Note: Depending on your configuration, some of these background processes may not appear. iTunes can start other background processes to perform various tasks like syncing and diagnostics. New functions may be added to these background processes in the future. Please note that you should not disable these processes even when iTunes is not open on the computer.
Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information.
Last Modified: Jan 15, 2015
Regards,
- Judy

Why is MacBook WiFi acting up? Slowing down every 5-6 seconds

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