Did anyone experience "an error occured when attempting to change modules"?

did anyone have this issue and how was it resolved?

Let's see:
https://forums.adobe.com/search.jspa?q=%22an+error+occured+when+attempting+to+change+modul es%22

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Another "An error occurred when attempting to change modules" error

Hello all:
After using Adobe Photoshop Lightroom on Mac OSX trouble free for the past 6 months, I opened up Lightroom today and received the following error: "An error occurred when attempting to change modules." I had not made any changes in between when it worked normally and when the error started to occur. I beleive the last thing I did before this error occurred was to go into the Print Module.
Other information--I keep all my RAW .NEF files on an external Firewire (800) 750 GB drive. This is on Mac OS X 10.5 running Adobe Photoshop Lightroom 1.3 and also with 1.4.1. I'm running an iMac 20" with dual-core 2.2 Ghz Intel processors and 4 GB of RAM. I have around 25k images total.
When I noticed this problem, I was on Lightroom 1.3. I immediately upgraded to 1.4.1, which did not solve the problem. I have also tried many suggestions in the forums including uninstalling the application and removing the .plist file.
I thought I had come up with a solution by creating a new catalog, then importing the former into it. While this seems to work immediately after the import process, as soon as I close it, the problem manifests itself again.
More details that may or (likely) may not help:
- Going to the Develop and Print Modules gives me no problems. However, when I click on Library, Slideshow, or Web, I see the error.
- I upgraded my Mac to the latest patch level after observing this error to no avail.
So it looks like my choices are to create a new file and reimport every single time, or lose all of the work I've done for the past 6 months on thousands of images.
Can anyone please help???? I promise to post the solution when we fix this darn thing so others may benefit. I'd be happy to run through any troubleshooting that y'all would suggest outside of switching to a Canon.
Thanks!!!!
Matt

I'd first check for the existence of a file ending in .lock, which should be present when LR is in use, but if it exists when LR is quit, it can cause problems, and should be deleted.
Please post back your results.

An error occured when attempting to change module in Lr 5

Hello
I puchased a new imac yesterday my first apple product so no experience with it. I have purchase lightroom 5 today as a download when I instal it I get an error message.
An error occured when attempting to change module.
Anyone out there that can help?
RuralTraveler1111

Hi
Thanks Rave
I will try the sugestion in this doc. The problem is I am completly new to mac and I have to find my way around I had lightromm 4 on my pc and never had an issue with it.
It is loading now but it give me this message error and I can do anything no import or anything else. I saw a post somewhere an other user had the same issue and resolve it using the step in the doc you point it out.
Will work on it.
Thanks
RuralTraveler1111

Lightroom 4: An error occurred when attempting to change modules.

I downloaded Lightroom 4 a few days ago and installed it on my MacBook Pro. Everything worked great. I thought it would overwrite Lightroom 3, but it didn't. So Lightroom 3 is still installed, but I haven't opened it since I installed Lightroom 4.
I downloaded Lightroom 4.3 this morning and installed it on the same MacBook Pro. Using my MacBook Pro and a second monitor, I opened Lightroom 4.3 and worked on some photos. Everything worked great.
Then I began watching a slideshow in the Lightroom 4.3 slideshow module on the second monitor with my MacBook Pro in the library module. During the slideshow I clicked on the slideshow module on my MacBook Pro and got this error message:
An error occurred when attempting to change modules.
Now I can’t get into the slideshow module. I just get the error message.
I moved the preferences file to the trash and reopened Lightroom 4 but lost color labels, so I put it back in the preferences folder.
Thanks for your help

I called Adobe and let them fiddle online with Lightroom on my MacBook Pro. The Adobe tech claims I have a corrupt permissions file. He told me to contact Apple and have them rebuild my permissions file.
When I contacted Apple, the tech said to startup my MackBook Pro with the option key held down until the first screen appears. Then click on: Recovery HD, arrow, Language, Disk Utility, Macintosh HD, Repair Disk Permissions.
I did this three times, but some permissions were not repaired. Another Apple tech then suggested I bring my MackBook Pro to a Macintosh authorized repair shop, and have them repair my permissions file. I asked if I can buy Norton Utilities or a similar program and do it myself. The Apple tech said yes, but an authorized repair person will know which permissions to repair and which ones not to touch.
Unless someone on this forum can tell me how to do this repair myself, I’ll get it repaired next week. And, I’ll post the results as soon as I can.

Purchased Light Room 5, installed, registered .. but keep getting this screen "An error occurred when attempting to change modules. ... OK" ?? WTF? ?

Installed Light Room 5.2 from Disc on my mac os x (latest, updated version)
But keep getting this "An error occurred when attempting to change modules.. OK" no other options/selection and of course if I click OK ... it crashed out ...
Can anyone help?
For such a big company .. there isn't any chat option to get to someone to talk to !!!

Just because you are the only user on the computer doesn't mean you are the administrator.
Also, the fact that you are being asked to re-enter your serial number each time you start means that it is not being remembered because something is either preventing it from being written to you disk or (less likely) something is erasing it. This does suggest that you lack certain permissions to make changes to your computer. Not only to save your serial number, but to have access to the Lightroom files needed to change modules (they are just plug-ins within Lightroom).
Try creating a new user account and run Lightroom from there (making sure that it is part of the Administrator group).
To get to chat support, you have to choose the options:

LR 5 no starting, gives error "An error occurred when attempting to change modules." it is a paid version

LR 5 no starting, gives error "An error occurred when attempting to change modules." it is a paid version and i will soon leave to a ship as i am a seaman, any help available?
Thank you in advance

Actually i did check the site for similar questions and found one without unfortunately any solutions, therefore and as i am about to embark a vessel, due to my job Captain in Merchant Marine Ships, I re posted this matter hoping to have a solution from somebody in ADOBE keeping in mind that i never hesitate to make the purchase of the software believing that i would not have this kind of problems with a company such as ADOBE.
Thanks again and apologise if my post is duplicated, however i do need a solution.

2011 iMac: An error occurred when attempting to change modules

Hello,
Just got a new 2011 iMac. Installing both 3.4 and 3.3, after completely removing all data, constantly results in "
An error occurred when attempting to change modules"
I've tried removing the .plist as others have suggested, but that has not worked.
Any advice would be great.

FIXED
I did two things:
1. I deleted the files for "Portraiture for Lightroom".
2. Installed on a different computer and copied the "Application Support/Adobe/Lightroom" and ".../Camera Raw" directories.
After reinstalling, it worked.

An error occurs when attempting to change module

Hello,
I just bought and installed the CC 2014.
When launching Lightroom CC 5 I immediately get an error:
"An error occurs when attempting to change module"
(see attached screenshot)
Apart from the error, I try to go to Lightroom-->Preferences.
However, the preferences DO NOT open. Must solve this.
Perhaps this problem is related to the error reported?
Note:
I did notice that someone else already got the same problem:
https://forums.adobe.com/thread/1454379?q=An%20error%20occurs%20when%20attempting%20to%20c hange%20module
Unfortunately no one has answered him.
Hoping that you can help me.
Thanks & Regards,
Tal

Try the solutions here:
http://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html

LR5 "An error occurred when attempting to change modules"

I've recently purchased a new Mac Pro and am re-installing all my software. I installed Lightroom 5, but every time I open it, I get the error: "An error occurred when attempting to change modules". I am unable to create a new catalog or do ANYTHING inside of LR5. I've also tried every option of: http://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html. Any ideas or can anyone help PLEASE? Thanks.
- Tim

Try the options here: http://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html
You can also d'load the Lr5.3 version as a trial from here: https://www.adobe.com/cfusion/tdrc/index.cfm?product=photoshop_lightroom&loc=en_gb
and install that over your Lr5.0 install.

Lightroom: "An error occurred when attempting to change modules."

I'm a first time Lightroom(via the Cloud) user (used Capture One before this) and just downloaded it today. The first thing I saw was this error message
"An error occurred when attempting to change modules."
I've updated it to 4.3 and I've tried all the other recommendations I found here:
http://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html
I don't know what Nik products are but I don't believe I have any.
I'm on a Mac running 10.6.8
Removed this preference file I found here:
http://helpx.adobe.com/lightroom/kb/preference-file-locations-lightroom-4.html
So frustrating! Please, can anyone help me???

I can only quote from the webpage that you already visited RE: Permission.
You need to have full permission for reading and writing for the folders and drives that Lr is using - particularly the folder that contains the catalog (i.e. the database Lr is working with).
If you have full permission try re-installing Lr. Un-install it via your OS. And re-install it.
Also, occasionally downloaded programs can become damaged during download - for instance when the download has been interrupted.
Before you re-install, I'd recommend that you download Lr again and use this second download for re-installation.
From the webpage (particularly read the part about Macs):
Solution 5: Set correct permissions on Lightroom folder inside Application Support
The Lightroom folder inside Application Support could have the wrong permissions preventing Lightroom from writing to it which can cause this error.
Navigate to the following folder: /Users/[user name]/Library/Application Support/Adobe/Lightroom
Highlight the Lightroom folder and chose File > Get Information
Under Sharing & Permission, verify that your have Read & Write Privileges. If not, click the padlock icon at the lower right, enter your password when prompted, then click the Read only entry and select Read & Write.
Important: (Mac OS) Apple made the user library folder hidden by default with the release of Mac OS X 10.7. If you need access to files in the hidden library folder to perform Adobe-related troubleshooting, see How to access hidden user library files.
Solution 6: Try a different user account.
Copy the Lightroom folder into a new user account or other existing account on your computer. Then, restart Lightroom. The Lightroom folder is in the following locations:
Windows XP: C:\Documents and Settings\[user name]\Application Data\Adobe\
Windows 7, Vista: [user name]\AppData\Roaming\Adobe\
Mac OS: [user name]/Library/Application Support/Adobe/
Important: (Mac OS) Apple made the user library folder hidden by default with the release of Mac OS X 10.7. If you need access to files in the hidden library folder to perform Adobe-related troubleshooting, see How to access hidden user library files.

An error occured when attempting to change modules .. how to solve this ? Thanks

Hi there,
I installed Lightroom 5, then it asked it for some directory to create some catalogue. I changed was was given default to me to some other directory. It was a mistake.
Then a message saying "An error occured when attempting to change modules" always popped out when I started Lightroom 5.
In fact I uninstalled and reinstall Lightroom 5 again. Ang it gave me the same message. I am not sure why when I reinstall it, it no longer asked me the directory I wanted to create the catalogue but instead gave me the error message straight away...
Any ideas on how to solve this is greatly appreciated as I desperately need to use this Lightroom 5 ...
Thanks

99jon wrote:
Did you install from CC desktop or from an Adobe download link?
When you click on the install button under the Apps tab within the Creative Cloud desktop app, no serial number is required.
Hi 99Jon,
I installed from CC desktop and you are correct. You are correct, when I install the CC, there is no serial number required or given to me.
Let me explain again the sequence of my problem.
1) I installed the CC desktop after I chose to pay monthly.
2) The installation was perfectly fine, NO asking of serial number
3) I install the Lightroom 5.7.1 without problem and NO asking of serial number too.
4) I run Lightroom 5.7.1 for the first time and it asked me to select a folder for catalogue I didn't select the default directory that it suggested. And this caused problem because it then gives a message saying "An error occurred when attempting to change modules"
5) so I delete the whole Lightroom 5.7.1 and reinstall from CC Apps.
6) The problem still persists and I continue to have the "An error occurred when attempting to change modules" message
7) So I deleted the Lightroom 5.7.1 and reinstall. Problem still persist.
8) So, I did a software update as advised by the link you gave me (ie Solution 1). Interestingly, the update Version is 5.7.1 which I have.
9) After the update installation, I no longer receive "An error occured when attempting to change modules" the message but instead tnow I receive message asking me for serial number. So much problem now ...
Note:
If you see this link, something is wrong bcos when you clicked the settings wheel, you'll see that Managed Application - Uninstall Unavailable"
<a href="http://s32.photobucket.com/user/ryan_khoo/media/ScreenShotofAdobeCC_zpsa6c420e7.jpg.html" target="_blank"><img src="http://i32.photobucket.com/albums/d2/ryan_khoo/ScreenShotofAdobeCC_zpsa6c420e7.jpg" border="0" alt=" photo ScreenShotofAdobeCC_zpsa6c420e7.jpg"/></a>
So now my problem has changed form one where the error message popped up to one which now asked me for serial number ...
Any ideas ?
Thanks

I have Lightroom 5 installed on my MacBook Air but when I try to open the program I receive the message "An error occurred when attempting to change modules". I uninstalled, emptied trash and re-installed but I continue to get the same message.

I have Lightroom 5 installed on my iMac which I downloaded (uploaded?) to my MacBook Air (via wi-fi) but unlike the iMac, I'm unable to use the program on the MacBook Air. When I open the program on the iMac and click 'file', (as people using the program would know) there are 21 options - import pics, export, etc, etc - however, in the version on the MacBook Air, opening 'file' gives me four options - New Catalogue, Open Catalogue, Page Setup and Printer - and with that comes the pop-up message "An error occurred when attempting to change modules". Any ideas please?

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

An error occurred when attempting to change modules.--when i log in as a guest program works fine but when i log in onb my account that pops up

An error occurred when attempting to change modules. this comes up on my account on my mac but not when guest account ?

I fixed the problem myself, no response in chat nor phone (1 hour in hold an no answer) here's the link, step # 5 saved me! Here's the link seems to be a very common problem, hope it works for you! Error changing modules | Lightroom

An error occurred when attempting to change modules Lightroom 5 CC

I've seen other users pose this question but haven't seen any solutions that work for me. I get the error: "An error occurred when attempting to change modules" when I open up Lightroom 5 on one user, but on another user it opens up fine. I've tried moving and trashing preferences, uninstalling and reinstalling the program. It's the same whether I open an existing catalog or try to open Lightroom while creating a new project. Any help would be greatly appreciated. This occured after updating to Mavericks on a 2011 iMac. All other Creative Cloud apps seem to have installed just fine.

Hi 99jon,
Many thanks for that. Had been going through this list yesterday and now again today:
Ref Solution 1: Lightroom is at its latest update
Ref Solution 2: It's interesting how I cannot find the Preferences file anywhere on my mac. (new mac pro, OS 10/9.2) . . .
Ref Solution 3: Lightroom doesn't allow me to do anything after the error message appears
Ref Solution 4: don't have any Nik Software plug-ins
Ref Solution 5: checked permissions and changed all to "Read & Write" - makes no difference
Ref Solution 6: I don't have a different user account on my mac.
Not sure what else to do.

An error occurred when attempting to change modules.

Loaded LR on my iMac, tried to copy & use a catalogue from W7 P/C. Now get "An error occurred when attempting to change modules." when opening LR. Tried a variety of on-line suggestions, HELP. NB too much hassle with all the other apps to start a new user with such as Adobe and Microsoft.
George

Hi, I¹ve been through it again to ensure I¹ve not forgot things. Completely
removed Lightroom and all files I can find, etc and reloaded. Some tedious
result. Step 6 is too time consuming at the moment for me, too many things
on the go since I¹m about to go on holiday and on return I shall need
Lightroom on this iMac. Any clues? This iMac had Mavericks from new,
uploaded to Yosemite and then loaded Photoshop CC, Lightroom etc and get
this damned problem.
Reading around the web I¹m not the only one with this issue, to suggest a
new user a/c is a soft option without resolving the issue.
I hope an expert from Adobe can resolve this,
Regards, George (retired IT Manager and IT Systems Project Manager)

Did anyone experience "an error occured when attempting to change modules"?

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