Error Message - Can't install because "identity of developer can't be confirmed."

Hey Adobe here's an idea.
Maybe have some sort of actual customer support instead of this virtual support group where users have to try and figure out your product.

There's a similar bug for Firefox that produces the error,
'''Firefox.app can't be opened because the identity of the developer cannot be confirmed'''.
In case it helps, see this Firefox article (and the related discussion):
*[[Firefox can't be opened on a Mac - how to fix it]]
Just substitute "Thunderbird" for Firefox" in the instructions.

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Am trying to install the mas os yosemite and its giving me an error message that "The Install OS X Yosemite application can't be used from this disk". What is the problem?

Am trying to install the mac os yosemite and its giving me an error message that "The Install OS X Yosemite application can't be used from this disk". What is the problem?

Impossible to answer with information provided

Unable to open .pdf in Firefox 3.6.8 with Adobe Reader 9.3.3 installed. Error message is "The Acrobat/Reader that is running can not be used to view PDF files in a web browser."

I am unable to open a PDF file in Firefox 3.6.8. Adobe Acrobat Reader 9.3.3 is installed. I get the error message "The Adobe Acrobat/Reader that is running can not be used to view PDF files in a web browser."

You can get that error if there is still an old Adobe Reader plugin in the plugins folder in the Firefox program folder.
C:\Program Files\Mozilla Firefox\plugins\nppdf32.dll
See also http://kb.mozillazine.org/Adobe_Reader

When I try to install itunes I get an error message that says "Canot access internet conection \." Can someone please tell me what's wrong? My internet connection is working.

When I try to install itunes I get an error message that says "Cannot access internet connection \." Can someone please tell what this means?
My internet connection is working.

Okay. We'll try a different utility.
(1) Download the Windows Installer CleanUp utility installer file (msicuu2.exe) from the following Major Geeks page (use one of the links under the "DOWNLOAD LOCATIONS" thingy on the Major Geeks page):
http://majorgeeks.com/download.php?det=4459
(2) Doubleclick the msicuu2.exe file and follow the prompts to install the Windows Installer CleanUp utility. (If you're on a Windows Vista or Windows 7 system and you get a Code 800A0046 error message when doubleclicking the msicuu2.exe file, try instead right-clicking on the msicuu2.exe file and selecting "Run as administrator".)
(3) In your Start menu click All Programs and then click Windows Install Clean Up. The Windows Installer CleanUp utility window appears, listing software that is currently installed on your computer.
(4) In the list of programs that appears in CleanUp, select any iTunes entries and click "Remove", as per the following screenshot:
(5) Quit out of CleanUp, restart the PC and try another iTunes install. Does it go through properly this time?

I updated to Mavericks and now I can'burn any DVD's any more. I get the following error message and the disk is ejected: The disc can't be burned because an unexpected error occurred (error code 0x80020000)

I updated to Mavericks and now I can'burn any DVD's any more. I get the following error message and the disk is ejected: The disc can’t be burned because an unexpected error occurred (error code 0x80020000)
I did burn the same way in MAC OS X 10.6.8. with no troubles!
Can anyone please help me out?
I use for years DVD-R of TDK 4.7GB 16X.

Hey topo27,
I would try out the following and see if it helps:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Welcome to Apple Support Communities!
Cheers,
Delgadoh

When trying to download iTunes, I get an error message saying "the instaler encountered errors before iTunes could be configured. Errors occured during installation." But it gives me no more information as to what I can do. Help please?

When trying to download iTunes, I get an error message saying "the instaler encountered errors before iTunes could be configured. Errors occured during installation." But it gives me no more information as to what I can do. Help please?

Also I now can`t access any of my itunes library and am concerned that if I remove it from my computer I will lose everything as I have no option of accessing and therefore backing anything up. Any ideas?

IPhone **** cannot be used because it requires iTunes version 10.6.3 or later - I get this error message yet I have 10.6.4, how can I get itunes to recognise my phone?

The iPhone **** cannot be used because it requires iTunes version 10.6.3 or later - I get this error message yet I have 10.6.4, how can I get itunes to recognise my phone

You must be referring to OS X 10.6.4, because there is no iTunes version 10.6.4. You can download iTunes 10.6.3 here:
http://support.apple.com/kb/DL1575
Any reason why you have not updated to OS X 10.6.8? If you did, you could then run iTunes 11.0.1.

I must re-install HDD, when tried to install application DVD with iPhoto,there was a error message, could not instal it again, I have LION 10.7.3. How can install application DVD again?

I must re-install HDD, but when tried to install application DVD with iPhoto,there was a error message, could not instal it again,
I have LION 10.7.3.
How can install application DVD again?
thanks
Dimitar

I've asked the hosts to move this post to Lion.
Here is a better place for you Lion posts.
https://discussions.apple.com/community/mac_os/mac_os_x_v10.7_lion?view=discussi ons
What is HDD?
How to install most applications from DVD.
Place dvd in dvd drive.
Double click on dvd image if a folder didn't appear.
Double click on application icon in drive folder.
follow instructions.
Robert

I uninstalled Firefox once, reinstalled it and it ran. I had a problem so I did it again. Now it will not run and I get an error message saying that firefox is running and you can only run one at a time. I can't figure out what is running.

Because of a problem, I uninstalled Firefox once, reinstalled it and it ran. I had a problem so I uninstalled/reinstalled it again. Now it will not run. I get an error message saying that firefox is running and you can only run one at a time. I have uninstalled multiple times and can't figure out what is running. The is only one Firefox installed and it is not open. What does this mean and how do I fix it?

If you use ZoneAlarm Extreme Security then try to disable Virtualization.
*http://kb.mozillazine.org/Browser_will_not_start_up#XULRunner_error_after_an_update
See also:
*[[/questions/880050]]

Starting Adobe Photoshop Elements, the Editor returns the error message "Unable to continue because

installed photoshop elements 8.0 with Windows 7. Worked excellent till two days ago. I got the error message "Unable to continue because of hardware or system error. Removed programm and re-installed from disk, no results!

Are you trying to open the Organizer or the Editor?
Can you uninstall that driver, or re-set Win7 to a restore point before that driver was installed?
There's also this Adobe troubleshooting document:
http://helpx.adobe.com/x-productkb/global/troubleshoot-system-errors-freezes-windows.html
Ken

I am trying to download the latest version of iTunes to my PC (windows XP) and I keep getting an error message or two. One is that it can't uninstall the previous itunes version, the other is that it can't find itunes.msi.

I am trying to download the latest version of iTunes to my PC (windows XP) and I keep getting an error message or two. One is that it can't uninstall the previous itunes version, the other is that it can't find itunes.msi. I have tried removing the old version in add/remove programs, but it says the same error. I tried deleting every thing that has itunes in the file/folder/etc and it didn't help.

(1) Download the Windows Installer CleanUp utility installer file (msicuu2.exe) from the following Major Geeks page (use one of the links under the "DOWNLOAD LOCATIONS" thingy on the Major Geeks page):
http://majorgeeks.com/download.php?det=4459
(2) Doubleclick the msicuu2.exe file and follow the prompts to install the Windows Installer CleanUp utility. (If you're on a Windows Vista or Windows 7 system and you get a Code 800A0046 error message when doubleclicking the msicuu2.exe file, try instead right-clicking on the msicuu2.exe file and selecting "Run as administrator".)
(3) In your Start menu click All Programs and then click Windows Install Clean Up. The Windows Installer CleanUp utility window appears, listing software that is currently installed on your computer.
(4) In the list of programs that appears in CleanUp, select any iTunes entries and click "Remove", as per the following screenshot:
(5) Quit out of CleanUp, restart the PC and try another iTunes install. Does it go through properly this time?

2 error messages - failed to install extention 2.1 and output module 2.1

I just tried to update my Encore CS4 from the Master Suite. I have two error messages " failed to install extention Mgr. CS4 2.1 and failed to install output module update 2.1
Encore will load a new project and save but I can't do anything else like add files before it crashes. Any help please. - Art

This might not apply with En CS4, but there were some issues on install, and on updates in Photoshop. It seems that MS had a bum MSI (Installer) version, and it caused a lot of PS installs and updates to fail. Do not recall any specific error messages. The cure there was to download and install the revised MSI module from the MS site. I would imagine that any MSI module would be heavily Windows version-specific. Take that as a warning to check any very carefully, before downloading and installing. MS is pretty good at having a ReadMe with installation instructions for each such download. It almost always contains the exact versions of Windows, that the file is for. Please read any installation instructions carefully.
This might be worth a look. I do not have a link to the exact page, but a search of the MS site should yield something. I'd search for "MSI," to start.
I just do not recall any issues with En and either installation (on proper systems with updated OS's) or with any updates.
Good luck, and please report your success.
Hunt

I have tried to upgrade Painter 11 on my iMac running OS X 10.5.8. I keep getting the error message :- : The following install step failed : run pre install script for Corel Painter11 _ SP1 . Contact the software manufacturer for assistance " Help pleas

I have tried to upgrade Painter 11 on my iMac running OS x 10.5.8 but get the error message : The following install step failed : run pre install script for Corel Painter11_SP1. Contact the software manufacturer for assistance "
I have contacted Corel and after several emails and one telephone call, they tell me , they cannot help but they think the problem could be with the OS.
Does anyone have any suggestions, please ?

Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.

I've been getting this error message Lightroom cannot start because it cannot create files in the temporary file location.

I've been getting this error message Lightroom cannot start because it cannot create files in the temporary file location “/var/folders/lK/lKbPbq2OF0aPCbMnDc erE TI/-Tmp-”
I've also been getting others errors about cannot create or modify temporary files when trying to install other programs. Also some of my documents on my computer will not open and crash.
Any help would be helpful.
I've tried doing this as read not sure if it helps:
ls -Odel $TMPD
This is what I had in response:
drwxr-xr-x 36 root admin - 1224 Dec 9 00:29 /var/folders/lK/lKbPbq2OF0aPCbMnDc+erE+++TI/-Tmp-/

Which os version are you using?
What is Lighthouse?
Please describe in detail all you have attempted to do in order to resolve the issue.

My LR 4 suddenly no longer recognized my memory cards. I am using the same cards and cameras but consisitently get the error message:"files not imported because the files could not be read. they are jpg and nef files...I am stuck without my workhorse! Any

My LR 4 suddenly no longer recognized my memory cards. I am using the same cards and cameras but consisitently get the error message:"files not imported because the files could not be read. they are jpg and nef files...I am stuck without my workhorse! Any advice is helpful. This has never happened in 6 years

answered in your other thread LR 4 suddenly no longer recognizes files.

Error Message - Can't install because "identity of developer can't be confirmed."

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