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TICKET ARCHIVE -> various errors when downloading programs

helgabinder - Aug 25, 2008 - 5:00 am

For some time now I have had problems downloading files/programs from the net. Things like OS critical updates; Adobe updates; VMware trial software; games; virus definitions. The download run into problems when unpacking - most common error is that verification failed but there are also failures in unzipping files (NAV installer being the most recent).

I have checked a number of forums and found similar problems but none seem to work (eg. mounting from disk utility). The only thing I haven't done is reinstall from OS archive disk as this could entail reinstalling a lot of things (mind-boggling).

I have a MacBook (2GHz Intel Core 2 Duo with 1 GB 667 MHz DDR2 SDRam) running OSX 10.4.11 and also have Parallels 3 (build 5608) running Vista. The download problems seemed to begin with updating the Parallels software. I received the verification error or a checksum error. I resolved this problem by using different download sites. When investigating this problem it was suggested that the ISP provider was at fault. Is this possible?

I have tried the same solution on other software with which I was having problems but it has not worked. I am (as they say in many forums) at my wits end and would greatly appreciate some help.

gsahli - Aug 25, 2008 - 3:13 pm

Reinstalling using the Archive & Install procedure is very simple and I've never heard of more than two programs needing to be reinstalled. This is because Archive & Install keeps the Application folder and all the normal user areas Documents, Music, etc. It only replaces the hidden unix files plus most of Library and System. Read:
http://support.apple.com/kb/HT1545?viewlocale=en_US

Your problem is unlikely to be caused by the ISP. It is most likely a system software issue. Before you Archive & Install, try downloading the 10.4.11 Combo Updater (combination of all updates) from Apple (not via Software Update). Re-Update. This updater replaces a large number of files without doing a complete reinstall. Of course, you may have problems with that, too....

I'm not sure if you've repaired the hard drive using this procedure (Try DIsk Utility):
http://support.apple.com/kb/TS1417

Good luck.

helgabinder - Aug 26, 2008 - 8:40 pm

Hello and thank you for your support. Firstly, yes, I have repaired the hard drive using disk utility. I ran into a problem there as well - it would not allow me to verify the disk. I solved this by following advice I found explaining how to change some scripting. I ran disk utility again today and it verifies fine. I also tried to back up my data today but the burning to CD failed. So I then decided to bite the bullet and attempt the archive & install. When I launch the Tiger installation software it tells me 'Mac OSX 4 cannot be installed on this machine'. I am now at a loss as to what to do next.

helgabinder - Aug 26, 2008 - 8:42 pm

ooops. Forgot to let you know that I tried to download 10.4.11 Combo Updater and got the usual 'verification failed' message.

gsahli - Aug 26, 2008 - 8:53 pm

I hope you have your original DVD/CDs. I would run the Hardware Test now. Read:
http://support.apple.com/kb/HT1509

helgabinder - Aug 26, 2008 - 10:00 pm

Yes, I have the original DVD/CD (only one - Tiger 10.3) and have followed your instructions. The Cd refuses to boot when I hold down the D key (I have tried many times just in case I missed getting in before the grey screen started).
I also managed to open the 10.4.11 Combo Updater using a program called 'Mount' (other advice from the net) but it tells me '...update combined (Power PC) cannot be installed on this computer. Is it possible my MacBook is not a Power PC - its model identifier is MacBook2,1.
I also tried again to burn my files (so that I could pass on the error code) but, miracle of miracles, it burned so that is no longer an issue.

helgabinder - Aug 26, 2008 - 11:57 pm

I just realised you may have meant the MacBook DVD's. I will try them and get back to you.

gsahli - Aug 27, 2008 - 8:32 am

Yes, I definitely meant the MacBook 10.4 DVD.
Your macbook is Intel, and not Power PC.

helgabinder - Aug 28, 2008 - 6:54 am

Hi again. I have run the Hardware test (extended testing) and was told there was no trouble found. Thanks for the info re Power PC. I will await further instructions but, as I go to hospital tomorrow I may not be able to implement your next suggestions. Please don't chuck this request if it takes me four or five days to respond.
PS I am very grateful for your assistance so far.

gsahli - Aug 28, 2008 - 8:29 am

I'm just a volunteer, so I don't have control over the automatic closing of help requests, which happens after 3 days of no activity. If you post to the same old Ticket, it will be reopened.

I think you need to reinstall OS X (archive & install preferred). Please make sure you are using the correct install DVD for your Macbook. A PowerPC DVD would give the error message you posted above.

Good luck.

helgabinder - Aug 28, 2008 - 8:47 am

Thanks heaps. I will see what I can do when next I open my Mac. Appreciate what you've done to date. See ya.

TechSupport - Aug 31, 2008 - 8:50 am

We apologize for not being able to resolve the issue you asked of us. It is the absolute worst case scenario for us to do this. In our review of why this happens, it generally is related to either the particular issue being addressed or frequently, incomplete or incorrect information provided. We hope by moving your request to the public forums that you will be able to get a solution without leaving you empty handed.

Your ticket has been closed with our support team. Your request has just been posted to Mac OS X System & Mac Software and is available for your viewing at:

http://macosx.com/forums/showthread.php?t=302819

Again, thank you for using Macosx.com. We hope you will consider using us again in the future.