When i open a pdf i get the following error message -

the exception unknown software exception (0xc0000409) occurred in the application at location 0x0041212b.

First thing I would try is update to 11.0.4. If that doesn't solve the problem, some more things you can try...
Using Windows Explorer navigate to C:\Program Files\Adobe\Reader 11.0\Reader, then double-click on Eula.exe and accept the license agreement
Can you open Adobe Reader by itself? If so, try disabling Protected Mode [Edit | Preferences | Security (Enhanced)].
If you cannot open Reader by itself, try to disable Protected Mode in the registry; download, unzip, then run the attached registry script
It could even be a malware issue; see http://helpx.adobe.com/acrobat/kb/reader-core-dll-error.html
Message was edited by: Pat Willener - updated file path for Windows XP.

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I have not had this error before, but Google has numerous examples. Here are a couple:
https://forums.adobe.com/thread/847438
http://community.spiceworks.com/topic/134868-adobe-acrobat-fatal-error-failed-to-connect-t o-a-dde-server

When opening I-Tunes i get the following error message: an unknown error occured (-42032). What shall i do?

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Hi,
Try here: http://forums.techarena.in/portable-devices/1394350.htm.
Hope this helps!
---likeabird---

I am using a 2003 eMac and am running on Mac OSX vs 10.4.11. iTunes is not recognizing music I have purchased and when I try to connect when it request me to I get the following error message: Cannot complete i Tunes Store request. A required iTunes com

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Is this music purchased back in DRM days? I don't actually have any iTunes music so I can't test with my iTunes 7.5, but I know that without iTunes 10 you cannot even connect to the store anymore. I wouldn't think that would require an active connection to the store all the time, otherwise how could you play music on a computer in the middle of nowhere? Did you do something to trigger iTunes suddenly wanting to connect and check on machine authorization?

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yes, I agree with what you say: the note '==> ...' is the solution to
my problem, found it after some time in another thread
     regards
     Von: sjpt <[email protected]>
     An: zwergenerv <[email protected]>
     Betreff: after updating ADE to version 2.0 I
am getting the error message 'code E_AUTH_NOT_READY'
     Datum: Mon, 23 Sep 2013 10:59:41 +0200
RE: AFTER UPDATING ADE TO VERSION 2.0 I AM GETTING THE ERROR MESSAGE
'CODE E_AUTH_NOT_READY'
created by sjpt in Adobe Digital Editions - View the full
discussion

Downloaded new upgrade Firefox and now can't open firefox. I get the following error message "Offline Mode Firefox is currently in offline mode and can't browse the web."

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The work offline option can be found from Firefox button -> Web developer or from the menubar toolbar -> Work offline (Or at least thats what happens in Windows).
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Error "Licensing has stopped working" | Mac OS
Gene

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== Yesterday

The only solution to corrupted files is to restore from your back up.
Regards
TD

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When i open a pdf i get the following error message -

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