When installing is get error message "an error has occurred when attempting to change modules'

When installing is get error message "an error has occurred when attempting to change modules' it then locks up

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I installed Lightroom 5.6 on Mac, when starting I receive an error message "An error occurred while attempting to change modules"

I installed Lightroom 5.6 (full version, not trial) on Mac, when starting I receive an error message "An error occurred while attempting to change modules".
I tried removing it and reinstalling but the same error comes up.
Anybody have any recommendations?

A forum thread from 3 years ago talking about LR 1.x which had this problem seems to need permissions fixed or new folders created with the corrected permissions. You might try doing a repair permissions for your user and/or run LR as an administrator user. I am a PC person so cannot tell you exactly how to do that.
https://forums.adobe.com/message/1457020

When upgrading to the most current version of iTunes I get the following error message "An application has made an attempt to load the C runtime library incorrectly" How do I fix this?

When upgrading iTunes I recieve the following error message "An application has made an attempt to load the C runtime library incorrectly".
Program:C:\Program Files\iTunes.exe

See Troubleshooting issues with iTunes for Windows updates.
tt2

"an error occurred while attempting to change modules" when launching lightroom

I get the message "an error occurred while attempting to change modules" when I launch the app on my mac.
Every other adobe app works like Photoshop
I have followed all the troubling shooting steps in the link below, not one of them makes anything different. Except I tried the last one. I created a new account, simply logged in and launched the app and everything ran normally. No problem. However it doesn't say what to do if that works it just says try it.
Error changing modules | Lightroom
Obviously this means its going to be an issue with a support file in the one user account but what one?
I also can't un install lightroom either, when I go to the creative cloud plug in on my menu bar the uninstall says its unavailable but the others are fine.
Any ideas?

I just found the answer for me.
I did step 5 on this support article:
Troubleshoot unexpected behavior | User account-specific | Adobe software | Mac OS
It is to repair the permissions on the hidden Library folders.

An error occurred while attempting to change modules while starting up LR 4.1. New install on a new

An error occurred while attempting to change modules while starting up LR 4.1. New install on a new MBP first time trying to start up

Just a guess, but since everything is new, perhaps you have some sort of permissions problem.
Make sure your user has write access to all the locations mentioned in this link:
http://helpx.adobe.com/lightroom/kb/preference-file-locations-lightroom-4.html
Hal

Despite it is claimed in Adobe forum that Lightroom is fully compatible with OS Maverics on my MacBook Air IT IS NOT. A message "an error occurred while attempting to change modules" appears and I cannot go any further. Can anyone help?

Despite it is claimed in Adobe forum that Lightroom is fully compatible with OS Maverics on my MacBook Air IT IS NOT. A message "an error occurred while attempting to change modules" appears every time I try to open Lightroom. This happened immediately after upgrading to Mavericks. On my doughter's same machine Lightroom works perfectly. Can anyone help?

Surely the Adobe forums are the place for help with Adobe applications. The fact that the problem doesn't occur on your daughter's machine suggests that it's not an issue with Mavericks but a local problem on your own machine.

I am receiving an error message "an application has made an attempt to load the C runtime library incorrectly

I am receiving an error message "an application has made an attempt to load the C runtime library incorrectly

Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support (if this won't uninstall move on to the next item)
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
The uninstall and reinstall process will preserve your iTunes library and settings, but ideally you would back up the library and your other important personal documents and data on a regular basis. See this user tip for a suggested technique.
Please note:
Some users may need to follow all the steps in whichever of the following support documents applies to their system. These include some additional manual file and folder deletions not mentioned above.
HT1925: Removing and Reinstalling iTunes for Windows XP
HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
tt2

An error occurred while attempting to change modules

I installed Lightroom and when starting the program I get, "An error occurred while attempting to change modules." I get this message within the program when clicking on any of the top right menu items. Also, importing a photo is not listed in the file menu. I deleted the preference file and Lightroom folder in my user preference and reinstalled. I tried many reinstalls, it still has reoccurring error message. Anyone now a fix? I'm running 10.5 on a Core Duo with 2meg of RAM on a 320 gig hard drive with lots of room.

For what it is worth, I was unable to change to the Web and Print modules, and I was also unable to record new presets (though I had successfully done it many times before) though I could still use already created ones. I was baffled, but found a workaround using hints from this and other forums. Much thanks to those who provided me with a starting point as I never would have figured this out on my own.
My wife is a separate user on the same computer, and I tried switching our catalogues and preference files, ... nada. Looking at her folder structure under user/library/application support/adobe/lightroom, she had folders for Web Templates, Web Galleries, and Print Templates but I didn't. So, simply copying her folders (not creating new ones of the same name, which may still have worked) into my own lightroom directory worked.
Where I screwed up initially was tryiong to use my own presets under her install of lightroom and then creating new ones (which worked) but then trying to import them back into mine. I had the new presets working under my own install, but still couldn't create new ones under my own setup. Finally, I realized that it was the "Develop Presets" folder under my own install that was in some way corrupted and copied her Develop Presets folder into my own install and every thing was fixed. I could even copy the subfolders from my own Develop Presets folder directly back in without issue.
Hope this helps someone.

LR panels on left and right not appearing. "an error occured while attempting to change modules" no import/export options

Installed CC trial and opened LR, panels on left and right not appearing. keep getting an error message "an error occured while attempting to change modules" plus no import/export options.

Error changing modules | Lightroom
Mylenium

An error occured while attempting to change modules

I'm new to lightroom. i opened it up and this is the first thing that pops up ( an error occured when attempting to change modules) and then i can do nothing with this program. Not sure what to do at this moment.

http://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html

Can't import photos into new LR5 installation, no import option, just error message saying "an error occurred while attempting to change modules"

This is a new MacBook with a new CC LR5 installation. There is however no menu choice allowing me to import photos. Np right or left panels at all. When the program opens I get an error message saying there was an error changing modules.

I Nearly bought from Amazon too but I found a thread from Adobe stating that the only recognized outlet for lightoom is themselves and other outlets serial numbers will not be guaranteed.
THat at was sufficient for me to buy direct from Adobe, hope you get it sorted.

The Webmail version of Lotus knows keep giving the following error message: A problem has occurred which may have caused the current operation to fail. How do I fix this?

I downloaded the new version of Firefox.
Now, when I try to access my webmail from Lotus Notes (at https://webmail.WorldVision.org) the following message shows up when trying to preview my inbox.
"A problem has occurred which may have caused the current operation to fail."

Actually, this isn't a cache problem, it's an issue with iNotes and Firefox 4. I found the answer in comments at a similar question. See:
https://support.mozilla.com/en-US/questions/798271#answer-153202
I downloaded the Remote XUL Manager add-on for Firefox (https://addons.mozilla.org/en-US/firefox/addon/remote-xul-manager/), restarted FF, went to Tools and scrolled down and clicked on "Remote XUL Manager." I clicked "Add" and pasted the URL for the link where I log-in to Lotus Notes into the dialogue box, and ta-dah! Back to email. Took me longer to type this than fix the problem.

"An error occurred while attempting to change modules" message occurs whenever I try to run Lightroom. Can't use it. Can anyone give me any hint to solve the problem?

I found a solution in one of Apple forums. I will copy her post:
"  I was checking the differences between my normal admin User account/Library/Application Support/Adobe/Lightroom contents and the one on the clean other admin User folder in the same place on the G4 PB where Lightroom2 had launched normally and noticed that on the one that works there are a slew of folders (Develop Presets, Export Presets, External Editor Presets, Filename Templates, Filter Presets, etc etc). On the main admin account, there was only one, the first. So it seemed the install on that account didn't load all the needed info. I simply copied the missing folders from the account that worked into the Public folder, switched to my main account and added those missing folders in the proper place. Voilà!. Now Lightroom launches normally and I don't get the dreaded missing modules alert."
The problem with me is that I do not have a working copy of Lightroom, just 1 account in which it doesn't run and don't know where to copy the missing folders from. Please send some advice.

Surely the Adobe forums are the place for help with Adobe applications. The fact that the problem doesn't occur on your daughter's machine suggests that it's not an issue with Mavericks but a local problem on your own machine.

Firefox won't open - get error message "this operation has been cancalled due to restrictions in place on this account..."

I can't open firefox - every time I try I get the above error message. This has started after no apparent changes or updates to my system, just a normal shut down. I have tried changing the registry .htm, .html etc. file names and reinstalling as suggested but this doesn't work. The only way I can open firefox is after I have reinstalled it and it automatically launches a browser.
I can open firefox in a new user account which suggests something has changed in the account I usually use but I have no idea what since I have not made any changes myself and can't see anything that would suggest it is blocking firefox from opening. I've run a virus scan and it is coming up clean.
Does anyone have any suggestions? I'd be very grateful for some help.
Thank you.

Hi mcclausky, you may need to manually remove a policy setting from the registry. You also should scan for malware that might have created this problem.
This article lists scanning and cleaning tools other Firefox users have found helpful: [[Troubleshoot Firefox issues caused by malware]].
To check your Windows registry for policy settings that might affect Firefox or other programs, I suggest consulting a Windows forum or Microsoft's forums. For example:
* http://windowssecrets.com/forums/
* [http://answers.microsoft.com/en-us/windows/forum/windows_8-system/this-operation-has-been-cancelled-due-to/9677848e-072d-4206-87f4-9da9284d6151 This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator. - Microsoft Community]
* [http://answers.microsoft.com/en-us/windows/forum/windows_xp-security/restrictions-this-operation-has-been-cancelled-due/8af1d0cd-8fbd-4223-9396-86d7497bb275 Restrictions. This operation has been cancelled due to to restrictions in effect on this computer.Please contact your system administrator. - Microsoft Community]

I am trying to update i Tunes to new version i get a message saying iTunes has an invalid signature and will not install.Any help please.

I am trying to update iTunes to new version .
When it goes to install i get a message saying iTunes has an invalid signature and will not install.
Any help please.

Go directly to Apple link to download
http://support.apple.com/kb/DL1426
Select "Save" instead of "Run". Once downloaded, double click the iTunesetup.exe to install.

The message "A problem has occurred trying to process your request. Please try again later. We apologise for any inconvenience this may have caused." is displyed when I try to log on to my internet banking. Please can you tell me why?

Since upgrading to the latest version of Firefox, I'm now getting the message "A problem has occurred trying to process your request. Please try again later. We apologise for any inconvenience this may have caused." when I try to log onto my internet banking site. This occurs after going thru the first two steps of the login process. I don't get this problem when I login to all my other bookmarked sites, or when I use Internet Explorer. I'm using Windows XP. Any suggestions? (Note: I've just reloaded version 6 of Firefox, but it's not made any difference.)

See here > http://support.apple.com/kb/HT1527
From Here > http://support.apple.com/kb/TS1368
More info here > http://www.apple.com/support/itunes/downloading/

When installing is get error message "an error has occurred when attempting to change modules'

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