"Error occured when attempting to change modules" message Fix?

After install when attempting to launch LR 5 on my Mac OSX 10.8.4 I'm getting the "An error occured when attempting to change modules" message...need help on a fix.

Hi Antonia, please see this page for help: Error changing modules | Lightroom

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An error occurred when attempting to change modules. message after my regist numb?

after I put my regist number appears this message= An error occurred when attempting to change modules.
and I cannot use my lightroom
What to do?

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

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

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!

Just purchased Lightroom 5 from Best Buy, Registered, installed...but cannot open it due to the error message "An error occurred when attempting to change modules"..Please help.?.

error message don't allow me to open Lightroom 5. "An error occurred when attempting to change modules"...Please Help..!

I'm in the same situation exactly. I would like to delete, uninstall LR, and then reinstall to see if that will go anywhere. Will I loose my option for a second computer install later???

Down loaded lightroom 5 and installed but won't open right. On opening Message "an error occurred when attempting to change modules"

Have a Mac Book Air with Lightroom 4 Full Download aboard. Just got an iMac. Wanted to load Lightroom 4 on iMac. Took the Adobe download file off the Mac Air and tried to load it on the iMac. It was successfull but on opening the message "an error occurred when attempting to change modules" appeared. I removed Lightroom 4 and went to Adobe orders and re-downloaded my original order to the iMac. Same effect. Bought full Lightroom 5 hoping to fix but the same message appeared. What's up! Any help?

Error changing modules | Lightroom

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.

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.

Encountered an error when attempting to open Lightroom for the first time. Went to Lightroom Help and searched for the error "An error occurred when attempting to change modules". Non of the solutions helped. what now?

Encountered an error when attempting to open Lightroom for the first time. Went to Lightroom Help and searched for the error "An error occurred when attempting to change modules". Non of the solutions helped. What now?

I am getting this error message as well. I have just downloaded Lightroom recently. I try to click on Lightroom / preferences....and nothing happens. I tried to uninstall and it is greyed out so I can't do that either. Suggestions? Please help?

Error occurred when attempting to change modules in LR - just purchased and opened for first time

I just purchased and downloaded the monthly subscription to LR 5 on my new iMac. When I open LR it displays an error message that says "An error occurred when attempting to change modules." I cannot import anything. I'm stuck and very frustrated. I just paid for this monthly service and am stuck for a year. Please help me troubleshoot this problem. I've uninstalled and reinstalled several times as well as restarted my iMac.

This link Error changing modules | Lightroom does NOT work with creative cloud downloads. I have tried it all, numerous times. Not a solution for us CC users. PLEASE HELP!

"Error occured when attempting to change modules" message Fix?

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