Why does software update not allow installation of updates?

I am unable to install downloaded packages after running Software Update because of an "incorrect signature" issue. Dialogue says: Packages may have been tampered with or corrupted since being signed by Apple. The computer is a PowerBook G4 running OS X 10.5.8. The updates are coming direct from Apple. What is going on?

Thanks!
Downloading the updates one at a time directly from the Apple website worked perfectly. I wish I knew why Software Update no longer functions properly, but having this work-around is good to know about.

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Ever since MS bought Skype, it has gone to craps.. but I guess just like anything else in corporate America, Ethics is not the words, Executives want to hear.. I AM SURE Mr. Sweden was not so " I do not give a S&&%T " kinda guy when he developed the Skype but then money came in and he said, WHY NOT? let us do whatever makes us most money and here we are , perfect exploitations of users just because we use free product so we have no right to complain

Why does Software Update want to install ProKit Update when I don't have any of the listed apps?

Software Update just prompted me to install ProKit Update 7.0. I don't have any of the applications listed in the description. I searched for each with Spotlight just to make sure. My Macbook has only a clean install of Snow Leopard, Microsoft Office 2008, and Xcode 4.0.2. Why am I being prompted to install this update?
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Linc Davis wrote:
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Why does skypein numbers not allow receiving sms?

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I AND MILLIONS OF OTHERS WOULD LOVE THIS SKYPE. WHY CAN YOU NOT PLEASE DO IT FOR GOODNESS SAKE!!!!
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PLEASE PLEASE PLEASE

Does anyone have a definitive answer as to why skype has never done this, very useful function.
I don't have the definitive answer for your question. It is possible that Skype is not able to receive SMS messages because Skype does not operate a mobile phone carrier - or does not partner with mobile carriers in different countries, as Skype does with other non-mobile carriers for services we currently have. I was told in another part of these community forums that SMS messages can be received on German landlines, but this appears to be a rare thing compared to most of the world. Skype's numbers are usually set up to work like regular landline numbers or - in some countries - may be a special class of number (nomadic or VOIP, for example).
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Approaching Skype Customer Support, instead of these community forums frequented mostly by other Skype users, may be a good thing. Then you might be able to get an answer from Skype directly. No guarantees, of course, but you'll never know if you don't try.
Good luck!
Patrick
Location/Ubicacion: Arizona USA
Time Zone/Hora Local: UTC/GMT -7
If this message has adequately addressed your issue, please click on the “Accept as Solution” button. If you found a post useful then please "Give Kudos" at the bottom of my post, so that this information can benefit others.
Si esto mensaje le ha ayudado, por favor haga clic en "Aceptar como solución". Si encuentra un mensaje útil, por favor "Da Kudos" al final del mensaje, por lo que esta información puede beneficiar a otros.
I am not a Skype employee. No soy un empleado de Skype.

Why does F'fox not allow Downloading latest Version saying I need OS5 or 6 & say my Op.System doesn't support latest when I DO have OSX 10.5.8 & plenty of RAM/HD space?!

As above:
When I launch Ff I get link to download latest Version (?4) I get page saying:
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Operating Systems
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http://www.mozilla.com/en-US/firefox/all-older.html
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http://www.floodgap.com/software/tenfourfox/ 
http://tenfourfox.blogspot.com/ 
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The incredible ranga wrote:
Why does my iPhone4 not have an imessage feature or a software update? ...
Those are features of iOS 5 or later... You have iOS 4...
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See Here...
http://support.apple.com/kb/HT4972
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See the Using iTunes Section Here...
How to update your iPhone, iPad, or iPod touch

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Why does my IPad not have a Software Updates button in my General tab?

The Settings > General > Software Update option only appears when you have iOS 5+ installed, if you have iOS 4 then you will need to do the update via your computer's iTunes.
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why does the mail not work when i updated my 5s to iOs 8?

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Question
why does firefox (updated) on windows 7 NOT send a hotllink (must copy/paste),when using the 'send link' feature,whereas firefox on XP always sends a hotlink? This feature has always worked perfectly on all my windows XP computers,but not at all on any of my versions of firefox on windows 7.How can i fix this? Why does it not work?

Hi,
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Why does my ipad not detected on my lap or I can not sync itunes and updated IOS 7.1.2 this

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The following may help:
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Why does Adobe update the Creative Cloud?

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Kurt Lang wrote:
See also: FASB revenue recognition GAAP
To the best of my recollection, that is what the Adobe rep mentioned. If you look up that phrase, the top return in Google is a PDF file explaining how it works. Good luck understanding it even if you're a CPA.
John Waller has added another link on that revenue law.
To be clear, the accounting issue called GAAP for revenue recognition states that the way Adobe counts R&D and development costs are applied to a specific product version for that version's lifetime. So, all of the Photoshop CS6 perpetual license development cost are applied against the revenue produced by that specific version. Adobe is allowed to add bug fixes and maintenance updates, but no new features for the life of that version. And, yes, this sucks for several reasons not the least of which is that the engineers are forced to try to shove as much new stuff into the most recent version and any updates that can be done prior to the end of the quarter in which a version ships because after that date, new features can't be added.
Generally accepted accounting procedures pretty much force Adobe into this accounting. Yes, there are other accounting methods that would mitigate this, and the subscription license is one such option. Since the subscription revenue os an ongoing stream, Adobe can add new features as functionality to subscription users. Unfortunately, the users of a perperual license can not get those new features and functionality, only new bug fixes.
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I realize this sort of explanation is akin to talking about sausage making...nobody really want to know how sausage is made, they just want to eat it. Same deal with Photoshop users...nobody really want to know how Adobe has to do their accounting, but the realities dictate what Adobe can and can't do...
BTW, this all has zero to do with state sales tax...although there my be state to state differences on whether a state charges tax for software. But that has zero to do with Photoshop development.

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Ah yes school boy error there out of frustration and discontent..
My issue is with music/apps/films etc not downloading from iTunes / App Store.
They initially fail and message is displayed stating unable to download / purchase at this time, yet if I retry it says I've already purchased (?) or alternatively I go to the purchased section and there they are waiting with the cloud symbol..
However some items get frozen in the download window and cannot be retried or deleted. Message appears stating to tap to retry, but even if you stole every bath and sink in the uk you'd still not have enough taps.
I post here as the iTunes guys are useless in there 'help' and have only advised posting here or phoning apple, at my expense, to explain a problem that could be rectified by forwarding my original email to a techie. However the tech team apparently don't have an email address as they're from ye olde Middle Ages..!
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So I tried sync to pc, but instead of showing the file as ready to listen/use/view, the iCloud symbol shows and I'm back to square one as the item is unable to download..
At frustration station waiting for a train from pain...
All my software is up to date, and had all worked fine prior to the last big iOS update that resulted in all the changes in display and dismay.
Answers in a postcard :-)
Much love

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Message was edited by: khettich

This means you don't have the latest version installed. Update to 11.9.900.117, and Firefox will allow it: Flash Player Plug-in (All other browsers)

Why does software update not allow installation of updates?

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