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This thread would lead me to believe that the problem is the iTunes update. Some people have gotten rid of the problem by downgrading from 7.7.1 to 7.7. The thread has instructions to do so. I'm giving it a try right now and hoping for good results. Apparently, we're not alone with this maddening problem.
 
I've been having problems with my apps as well. They open up to the start screen, and just crash. It was really annoying me, and now i'm even more frightful knowing it is happening to others as well. At first the problems were just in the newly apps I had installed, but it seems to have infected some of my older apps as well, like PhoneSaber (which I downloaded the day I got my 3G)....that app used to work fine...maybe I swung it too hard...

And you know, when I downloaded that iPhone update I almost didn't want to, and I even read the description for what they had improved "Fixed Bugs", more like "Created Bugs", and inserted them into my phone to reak havok upon my beloved apps.
 
So far, downgrading to iTunes 7.7 has worked for me. Here are the instructions from the Apple support forums:

reset from within the device (settings>general>reset>reset all content and settings)

while that's cooking, go into your machine and ditch these files:

/System/Library/Extensions/AppleMobileDevice.kext
/System/Library/PrivateFrameworks/DeviceLink.framework
/System/Library/PrivateFrameworks/MobileDevice.framework
/Library/Receipts/AppleMobileDeviceSupport.pkg

once those are gone, then delete the itunes application. restart the machine, and reinstall your 7.7.

that requires you having a 7.7 copy, which i just so happened to have.

so there are 3 keys to making the fix stick

1) reset the device hard core from within
2) get rid of supporting files and
3) DOWNGRADE to 7.7

And this is the link to download iTunes 7.7.

This got the two "infected" iPhones in my house up and running again with no problems last night. I don't know if it's a long-term fix, but I'm hopeful ...
 
after upgraded to 2.0.1 from my previously pwned 2.0, did all the steps in winpwn 2.0.0.4, restored backup from my previously synced pwned 2.0 data.
All runs smoothly, all settings, sms, photos, musics, all apps are back to originally synced state, but on 2.0.1 :)
 
So what the heck is going on then? This is huge. And it is absolutely ridiculous for Apple (or anyone else) to say don't download non-native apps! I really hope Apple fixes this...

This is really difficult to understand. I have the 16gb 2g phone and did the upgrade to 2.0.1. I have 16 third-party apps, and have had no problems with any of them or with anything else on the phone—not yet at least.:eek:
 
This is confusing! I have 7.7.1 and updated 3 devices. No problems at all????

I think I read in one of the Apple forums that it has to do with some users having a "split account," whatever that means. So this issue may not affect everyone.

In any case all my apps are now working fine currently (I had issues on Saturday). I haven't done anything outside of syncing with iTunes and downloading apps from the App store on both iTunes (PC) and the App store on the iPhone itself (no re-installs etc....)
 
I just got my new 16gb iPhone 3G last Monday, dutifully upgraded to 2.0.1 and now some 3rd party apps don't work. Some of them do, but others do not. This is very frustrating since some of the now nonfunctioning apps I paid for so at this point I'm just leaving the nonfunctioning apps on my iphone in the hopes that this is the result of some change in the SDK and thus updated releases will resolve the issue. *crosses fingers*
 
OP UPDATE - SOLVED

So the last update I posted worked. It has been several days and no problems. Basically what we think happened is that the iTunes 7.7.1 update corrupts some of the app files--perhaps the DRM. I erased all apps from iPhone and iTunes and redownloaded. I did keep Netshare, and after using my iPhone without Netshare, to test stability, I finally installed it and haven't had any problems with it either. After replying to Jobs before I found a fix with Apple tech support, he forwarded my email to Dan Erlewine, Manager, iTunes & iTunes Store Customer Experience. This is what he wrote:

I was passed your email this morning and wanted to follow up and make sure that we're able to get resolve this issue. I'm hoping that you can provide some information first to help me identify the cause of the problem.

First, what is your iTunes Account ID do you use to make purchases from the iTunes Store, and is that the same iTunes Account your phone is synched with?

Secondly, you mention that the content on your phone is unplayable. Does that include when your iPhone is not tethered to your computer, or is it only when the iPhone is connected to iTunes?

Regards,

Dan Erlewine
Manager, iTunes & iTunes Store Customer Experience
derlewine@apple.com | 408-218-****

Now that is pretty impressive. I am very satisfied with how Apple has been dealing with my problems. To have Steve Jobs and a high up manager for iTunes contact me directly is rather telling of Apple and their high standards of excellence. I was about to lose it and now I'm getting my sanity back. I hope this fix works for the rest of you. Apple had confirmed with me that before trying this last approach I had used every troubleshooting technique they could think of. Hopefully no more problems will crop up. I had a problem today receiving a couple pushed emails from MM but that just might be something unrelated. That is working again as of this evening.

Good luck everyone...there is light at the end of this tunnel!!
 
I think I read in one of the Apple forums that it has to do with some users having a "split account," whatever that means. So this issue may not affect everyone.

Interesting. I've got a split account, and my phone went haywire about 12 hours before my husband's did.

Anyway, reverting back to iTunes 7.7 has kept us problem free for a day and a half. Whew!
 
NOT SOLVED: I haven't even hooked up my iPhone to the computer at all and here I am back at the no 3rd party apps and no music crap again. Its a damn DRM issue and I hope Apple get this fixed. It makes the Iphone's 3rd party software TOTALLY unreliable. You can't use it for anything important because it may not work in an hour.
 
NOT SOLVED: I haven't even hooked up my iPhone to the computer at all and here I am back at the no 3rd party apps and no music crap again. Its a damn DRM issue and I hope Apple get this fixed. It makes the Iphone's 3rd party software TOTALLY unreliable. You can't use it for anything important because it may not work in an hour.

Dude, it doesn't matter. You obviously hooked up your computer and iPhone at some point. Just follow my directions, and don't use the app store on your iPhone. Trust me, I worked about 30 hours this last week and have been on the phone with Apple engineers. I did everything imaginable and this is the only permanent fix. I've done all the temporary fixes and it doesn't work. Plus this method is actually faster than a restore. I also used the terminal command to disable auto backups on the iPhone. Google it.
 
well add me to the list of people now with broken 3rd party apps :mad: I will try and fix it when I get home from work based on the suggestions here and I hope it works. :(
 
OP UPDATE - SOLVED

So the last update I posted worked. It has been several days and no problems. Basically what we think happened is that the iTunes 7.7.1 update corrupts some of the app files--perhaps the DRM. I erased all apps from iPhone and iTunes and redownloaded. I did keep Netshare, and after using my iPhone without Netshare, to test stability, I finally installed it and haven't had any problems with it either. After replying to Jobs before I found a fix with Apple tech support, he forwarded my email to Dan Erlewine, Manager, iTunes & iTunes Store Customer Experience. This is what he wrote:



Now that is pretty impressive. I am very satisfied with how Apple has been dealing with my problems. To have Steve Jobs and a high up manager for iTunes contact me directly is rather telling of Apple and their high standards of excellence. I was about to lose it and now I'm getting my sanity back. I hope this fix works for the rest of you. Apple had confirmed with me that before trying this last approach I had used every troubleshooting technique they could think of. Hopefully no more problems will crop up. I had a problem today receiving a couple pushed emails from MM but that just might be something unrelated. That is working again as of this evening.

Good luck everyone...there is light at the end of this tunnel!!
I am currently in the process of waiting for iTunes to remove every 3rd party app off my iPhone. I will then redownload all the apps via iTunes and resync, *knock on wood* this will result in the 3rd party apps working again. I'll be sure to post the results here.
 
I am currently in the process of waiting for iTunes to remove every 3rd party app off my iPhone. I will then redownload all the apps via iTunes and resync, *knock on wood* this will result in the 3rd party apps working again. I'll be sure to post the results here.


I am doing the same here at the moment. Why does it take 2 hours to just remove apps......that is crazy.
 
I am doing the same here at the moment. Why does it take 2 hours to just remove apps......that is crazy.

I would manually remove them on the iPhone itself. That's the method that worked for me and it only took about 15 minutes, but required 2 reboots while the iphone crashed. Hope this similar method gets you the same result. Once all your programs are gone, go into your iPod to see if your media is back. That was the sign for me.
 
I am currently in the process of waiting for iTunes to remove every 3rd party app off my iPhone. I will then redownload all the apps via iTunes and resync, *knock on wood* this will result in the 3rd party apps working again. I'll be sure to post the results here.

Also make sure you move all the apps on iTunes into the trash individually. I tried redownloading without deleting them first and that didn't work for whatever reason.
 
Now my iPhone won't run any of the 80 apps I have installed from the App store. When this happened last Saturday I was able to download a file from the App store on the phone directly and that allowed all the apps to work again. Just today I was at work showing people my apps and a little later that stopped working again. That is weird that they would work one minute and not the next and I didn't sync to iTunes or anything. I tried to download a few apps from the App Store directly to the phone again but that didn't seem to help. :-(
 
So my apps have been redownloaded and sync'd via iTunes (App Store not used at all on iPhone) with all previous copies moved to trash and trash emptied. Unfortunately this trick did not work for me, now none of my 3rd party apps will launch. In fact, I just opened safari and before http://www.download.com finished rendering it crashed! What the heck?!
 
I am not going to go through all that hassle of deleting apps and reinstalling etc... Apple has got to have some sort of solution for this so I am just going to wait until they do. I can deal as long as the core functions of the phone work (phone, ipod, Safari and the apps that came with the phone) and they do.
 
UPDATE: One of my apps, gpscompass, was not installed during the sync with the following entries being made in the console:

8/12/08 1:48:05 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 13:48:05.841|AppleMobileSync|5588:2953318400|SocketStreamHandler.c:_SocketLogCallback| ERROR: SocketRecv (data): error 9: Bad file descriptor
8/12/08 1:48:05 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 13:48:05.843|AppleMobileSync|5588:2953318400|StreamHandler.c:_ReadFunc| ERROR: Error reading data: Can't read data
8/12/08 1:48:05 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 13:48:05.843|AppleMobileSync|5588:2953318400|DeviceLinkConnection.c:_DLHandlerThreadMessagePortCallback| ERROR: Could not receive message: '(null)'
8/12/08 1:48:05 PM com.apple.usbmuxd[166] usbmuxd[166]: MuxSendToClient send failed for 0x103d40: 32 - Broken pipe
8/12/08 1:48:29 PM firefox-bin[238] Cannot find factory 00000000-0000-0000-0000-000000000000
8/12/08 2:18:35 PM [0x0-0x265265].com.apple.iTunes[5578] Could not receive size of messageInvalidRespon
8/12/08 2:18:35 PM [0x0-0x265265].com.apple.iTunes[5578] se
8/12/08 2:18:35 PM [0x0-0x265265].com.apple.iTunes[5578] Could not receive size of messageMobileDevice: AMDeviceCopyValue: There was an error getting the value from lockdown
8/12/08 2:18:35 PM [0x0-0x265265].com.apple.iTunes[5578] Could not receive size of messageInvalidResponse
8/12/08 2:18:35 PM [0x0-0x265265].com.apple.iTunes[5578] MobileDevice: AMDeviceStopSession: Could not stop session with device: kAMDInvalidResponseError
8/12/08 2:27:54 PM AppleMobileDeviceHelper[5579] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
8/12/08 2:27:54 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 14:27:54.617 AppleMobileDeviceHelper[5579:807] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
8/12/08 2:42:55 PM AppleMobileDeviceHelper[5579] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
8/12/08 2:42:55 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 14:42:55.551 AppleMobileDeviceHelper[5579:807] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
8/12/08 3:45:12 PM AppleMobileDeviceHelper[5579] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid
8/12/08 3:45:12 PM [0x0-0x265265].com.apple.iTunes[5578] 2008-08-12 15:45:12.550 AppleMobileDeviceHelper[5579:807] exception while performing selector allClients on server: NSInvalidSendPortException [NSMachPort sendBeforeDate:] destination port invalid

Going into the preferences of the iPhone I see that under the app sync settings it chose to move the setting from sync all apps as I had set it to selected apps and it had unselected gpscompass, I reselected sync all apps and resync'd and while my iPhone didn't seem happy about it (it vibrated twice and put up the gear on the sync screen for a noticeable amount of time, it then kicked me to the unlock password screen and when I got to tab two of the app icons it put up the gear again and again vibrated twice eventually kicking me back to the unlock screen ...it displayed the icon thereafter but everything except making calls still doesn't work now) but it appears on my iPhone now. I am very unhappy about the instability of 2.0.1 and hope 2.1 is significantly improved. I just hope I won't have to reset my iPhone for fear that it'll become a victim of the known bricking issue associated with 2.0.1 as well.

As far as I'm concerned the OP got lucky, this problem is most definitely not resolved and is a bug in 2.0.1 that only Apple's engineers can resolve
 
I am back running. This is how I got back up and running:

1) Synced the iPhone up to the computer.
2) Unchecked sync applications
3) Did the sync to remove the applications.
4) Unplugged the iPhone from the computer.
5) Turned the phone off and then on.
6) Checked ipod media to see if it was there. (Yes, its back!!)
7) Rehooked up to the computer.
8) Resynced with sync applications back on.
9) When done, hit eject (just taken a precaution here!!!)
10) All was back.

I did not delete the apps on Itunes first and redownload them since I knew they were all ok. They worked before and I knew they would now. Hope this helps.
 
I am back running. This is how I got back up and running:

1) Synced the iPhone up to the computer.
2) Unchecked sync applications
3) Did the sync to remove the applications.
4) Unplugged the iPhone from the computer.
5) Turned the phone off and then on.
6) Checked ipod media to see if it was there. (Yes, its back!!)
7) Rehooked up to the computer.
8) Resynced with sync applications back on.
9) When done, hit eject (just taken a precaution here!!!)
10) All was back.

I did not delete the apps on Itunes first and redownload them since I knew they were all ok. They worked before and I knew they would now. Hope this helps.

Trying this now, will update when done
 
well...i talked to apple today and they say its a hardware problem from what they have seen with other peoples ipods...they said to send it in and they will send me a "new" one (im gonna be ticked if its a refurbushed one)...to op...if you have to change anything about your settings or how you do things...its not a permanent fix...its a detour...i personnaly am not gonna take a detour if apple is gonna fix it for free and hopefully give me a new ipod...also..i know most of the people that work at apple are idiots...but im not gonna try anymore...ive tried every "solution" on this website...and guess what...not a single one worked...so yea...im gettin me a new ipod...yall should try also
 
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