I get 'an error occurred when attempting to adjust module"

I took the mac into the Apple store and they tried updating and following online suggestions. but were not able to make it work - any suggestions
Everytime I have tried to use Lightroom2 and recently Lightroom 5 I get 'an error occurred when attempting to adjust module"
Anyone know how to solve this as I really want to get using Lightroom

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

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??? I just installed Lightroom 5 from Amazon for my Mac with 10.10.1 software. When I open it I get: "An error occurred when attempting to change modules". It won't import photos and has no side panels under Library. What should I do?

I just installed Lightroom 5 from Amazon for my Mac with 10.10.1 software. When I open it I get: "An error occurred when attempting to change modules". It won't import photos and has no side panels under Library. What should I do?

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.

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)

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:

After installing Lightroom 3, we get a message saying "An Error occurred when attempting to change modules"

After installing Lightroom 3, we get a message saying "An error occured when attempting to change modules"
The Lightroom background comes up but I don't have the side information and no arrow to get it.
Can anybody help.
Debbie

Best guess is a permissions problem although you haven't mentioned what operating system you are using.
Have a look at: Error changing modules | Lightroom

Lightroom trial doesn't show complete menu selections or import button. Also get error message on launch: An error occurred when attempting to change modules. I am unable to find/see the following file to try renaming the SLCache and SLStore files: Sy

Lightroom trial doesn't show complete menu selections or import button. Also get error message on launch: An error occurred when attempting to change modules. I am unable to find/see the following file to try renaming the SLCache and SLStore files: System Library/Application Support/Adobe. Any ideas? I only have 16 days left on the trial and have been unable to get it to work on my Macbook Pro. This is all I am seeing after Lightroom opens. Thanks!

Thanks to both of you for attempting to help. I finally figured out what was wrong . . . it was a Permissions problem. Very frustrating, but after scouring the troubleshooting tips I finally found the one that solved my problem. I had to add a User and give it Read/Write privileges to Lightroom. The file I had to add the User to was Hidden on my Mac, so that added an even bigger challenge to the mystery. Only a few days left on my trial version! I hope I have time to try it out!

An error occurred when attempting to change modules. How do I get past this screen?

I am installing Lightroom 3 from a CD-ROM. I installed this easily on the iMac but now when I tried to install on the MacBook Pro I get this error message: An error occurred when attempting to change modules. I have tried everything that I know to do and I keep getting the same message. Any thoughts?

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

Have downloaded new Lightroom 5.4 from CC. When trying to launch am getting following error message and then Lightroom crashes: "an error occurred when attempting to change modules". Can't find a thread which relates to this error message.

Have downloaded new Lightroom 5.4 from CC. When trying to launch am getting following error message and then Lightroom crashes: "an error occurred when attempting to change modules". Can't find a thread which relates to this error message.

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.

I'm getting a message "An error occurred when attempting to change modules"

Hi, I have just loaded LR CC on to my new iMac & I'm getting a message "An error occurred when attempting to change modules" I have used a Catalog from my Macbook stored on an external hard drive & there are no images, no panels & i can't access LR preferences, please help as i have images to process for clients! PLEASE HELP...

I have tried to look for download as it says but no down load, so i went to step 2 but i don't understand & can't find the files they are asking me to change. I am not super good with macs or any computer so I'm finding it hard to follow there instructions e.g. Preference file and other file locations | Lightroom 5.x I'm not sure if I'm looking for the rite areas of the iMac & i can't find what they are asking.

When I try to start Lightroom CC i get the following error and the splash screen freezes An error occurred when attempting to change modules.

When I try to start Lightroom CC i get the following error and the splash screen freezes An error occurred when attempting to change modules.

Just had the same issue... went through the steps here: https://helpx.adobe.com/lightroom/kb/error-changing-modules-lightroom.html
For me it was Solution 5. I had to change permissions and add me as a user (only had system access to the folders).

When opening up Light room 5 i get a msg saying, :an error occurred when attempting to change modules:

when opening up Light room 5 i get a msg saying, :an error occurred when attempting to change modules:

Hi Shakenimages,
Welcome to Adobe Forums
There is a separate Forums regarding Light room, you can post the query there & the experts will reply you on this.
Use the link mentioned below to do so.
Photoshop Lightroom
Let us know if that helps!
Thanks
Garima

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

I have a mac, and am trying to install lightroom 3.6, everything says it has installed ok, but when trying to open I get this message...An error occurred when attempting to change modules.

anybody have any idea?

https://forums.adobe.com/search.jspa?q=error+occurred+when+attempting+to+change+modules&pl ace=%2Fplaces%2F1383621&depth=…

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.

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.

I get 'an error occurred when attempting to adjust module"

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