I'm getting message Lightroom encountered error when reading from its preview cache needs to quit. Lightroom 5 on Windows 7

To delete the preview cache, do this:
1. Quit Lightroom.
2. In your Operating System, locate your Lightroom catalog. Typically catalogs are in /Pictures/Lightroom on Mac and My Pictures\Lightroom on Windows.
3. Find the folder whose name ends with "Previews.lrdata" and delete it. (note, you may also have a folder whose name ends with "Smart Previews.lrdata." You shouldn't need to delete that one.)

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LR4 error when reading from its preview cache, needs to quit

I'm getting the above message. Lightroom says it will attempt to fix this problem the next time it launches,
requiring me to click OK and the program closes. When I relaunch it, I see the same message.
I'm on a PC w/ Win7; I updated LR4 with the 4.1 download recently to enable it to read the 5DMarkIII raw files.

From: "Steve from Maryland
I am having this problem regularly now on my laptop (SSD HDD and 64 bit
Win7Pro). I have erased the cache multiple times (BTW- you have to stop
textextractor.exe to be able to do this- more on this below as well). The
corruption keeps happening and I don't know why. Anyone????
Not sure what cache you are talking about. LR only refers to two 'caches' -
the acr cache which stores part-rendered images to speed up rendering in
Develop, and a video cache which does something when you use videos. The
catalog and previews are stored in another folder, along with a previews.db
and a rootpixels. db which store info on the previews.
If you are having trouble as you describe, you need to delete the previews
folder (including the two .db files) just leaving the catalog. Then you need
to clear the acr cache (under Edit/preferences/File handling/camera raw
cache). Then regenerate all your previews in LR (select your main parent
folder, and tell it to build all previews). If you have a lot of images,
best to do this overnight.
Then all the various caches, databases, previews, and catalog should now be
in sync again, and you shouldn't see that error.
Not sure what textextractor is but if it interferes with LR, I'd get rid of
it.
Bob frost

What to do when get error 'LR encountered an error when reading from its preview and needs to quit'?

I have Lightroom 3 Verion 3.5 and every time I open it I get he message "LR has encountered an error when reading form its preview cache and need to quit'. When I close down the computer and restart the error continues. I read on the forum that this can be fixed by deleting the entire previews folder that is next to hte Ircat file. I have done this (the file is 1.3GB) and the error has gone but how do i go about rebuilding the previews?
Have i done the right thing?
Thanks for taking the time to help me.

Jen,
Yes, you've done the right thing. Menu item:
That will rebuild your previews. If you have a lot of images in your catalogue, it can take quite a long time.
Hal

Upgraded to 5.4 when opening lightroom get a message "encountered an error when reading from its preview cache and need to quite" tried this several time but get the same eror message

Upgraded to 5.4 when opening lightroom get a message "encountered an error when reading from its preview cache and need to quite" tried this several time but get the same error message. Says Lightroom will attempt to fix the problem the next time it launches but that is not happening. How do it fix this?

Delete the preview cache using your operating system. It is a folder whose name ends with Previews.LRDATA. Do not delete the Lightroom catalog, which ends with .LRCAT

Lightroom encountered an error when reading from its preview cache and needs to quit. Says Lightromm will attempt to fix the problem the next time it launches, but on every re-launch I get the same message. Any clue as to how to fix this problem?

I recently updated my HP laptop's OS from WIndows8 to WIndows8.1. When I went attempted to open Lightroom5 I got the following message:
"Lightroom encountered an error when reading from its preview cache and needs to quit. "
"Lightroom will attempt to fix the problem the next time it launches"
Every time I relaunch I get the same message. I'd like to understand what might be causing the problem so I can remedy and get back to my photo editing. Any clue as to how to fix this problem would be greatly appreciated.
JPM

reset your preferences, Resetting (or 'Trashing') the Lightroom Preferences file - Lightroom Forums

When backing up lightroom 4 catalog, get message "lightroom encountered an error when reading from its preview cache and needs to quit" this occurs during optimization stage of backup

i upgraded from lightroom 4 to lightroom 5 and installed it on a separate hard drive. Initially had no problems util my computer crashed due to the failure of the drive on which Lightroom 5 was installed. Since having my computer rectified, i am unable to use lightroom 5 getting the message "lightroom encountered an error when reading from its preview cache and needs to quit"
I can still use lightroom 4, however, i get the same message when i try to backup the catalog. This occurs during the optimisation phase of backup.
I suspect it is related to Lightroom 5 creating a catalog from the Lightroom 4 files and cannot now locate those files or that they have been corrupted.
Would appreciate any solutions / suggestions.

You need to delete your preview cache and have Lightroom rebuild it. Cache location can be found here.
https://helpx.adobe.com/lightroom/kb/preference-file-locations-lightroom-41.html
Why And How To Clear Your Lightroom Cache - Lightroom Fanatic

Everytime I open lightroom I get a pop up message saying "Lightroom encountered an error when reading from its preview cache and needs to quit" and it closes. Ive already tried reinstalling, nothing seems to work. Help please!

Every time I open lightroom I get a pop up message saying "Lightroom encountered an error when reading from its preview cache and needs to quit" and it closes. Ive already tried reinstalling, nothing seems to work. Help please!

Open the folder containing your catalog. In that folder you will find another folder with the extension .lrdata, and you need to delete that folder. After you do that, Lightroom should start normally and will create a new preview cache.

I run windows 7/8 and lightroom 5.7 i am getting an error message and here it is " lightroom encountered and error when reading from its preview cache and needs to quit". I am getting this message repeatly. What do I need to do to fix it.

I run windows 7/8 and lightroom 5.7 I am getting an error message and here it is " lightroom encountered an error when reading from its preview cache and needs t quit" How do I fix this.

THANKS
Hank Wilkinson
Please visit my web site <http://www.hankwilkinson.com/> www.hankwilkinson.com for the latest of my photos
For information on any of these photos please email me or call 612-756-9970

Good Afternoon my computer had an unexpected restart while I was editing a picture in lightroom. Now when I try to open lightroom I get an error message stating " lightroom encountered an error when reading from its preview cache and needs to quit" Does a

I keep getting an error message saying that lightroom encountered an error while reading from its preview cache and needs to quit. Can someone please help me fix this.

Have a look at this previous thread: Re: "Lightroom encountered and error when reading from its preview cache and needs to quit"

I have a question about Lightroom 5... I used it last night, I go to get on it today and its will not open. I have an error msg "Lightroom encountered an error when reading from its preview cache and needs to quit" Lightroom will attempt to fix the proble

I have a question about Lightroom 5... I used it last night, I go to get on it today and its will not open. I have an error msg "Lightroom encountered an error when reading from its preview cache and needs to quit" Lightroom will attempt to fix the problem when reopened

https://forums.adobe.com/message/6219922#6219922
See if the issue in the thread above helps you to solve your problem.

Error message on start up "Lightroom encountered an error when reading from its preview cache and needs to quit"

Error message on start up "Lightroom encountered an error when reading from its preview cache and needs to quit" I uninstalled and downloaded it again and still get the same error. At this rate I won't have any chance to use the 30 day trial period as it simply isn't working. I have see suggestions elsewhere to delete a particular file, but I don't have it. Any ideas?

You need to trash the preview cache. It’s in the main catalog folder.
Delete the folder with the ending Previews.lrdata
The default location for the Lightroom folder is normally Pictures/My Pictures if you did a standard installation.
N.B. do not touch files ending .lrcat

When I tried to open Lightroom 5.4 today I got a msg that says "Lightroom encountered an error when reading from its preview cache and needs to quit. Lightroom will attempt to fix this problem the next time it lauches". What do I do? I get the msg each ti

"Lightroom encountered an error when reading from its preview cache and needs to quit. Lightroom will attempt to fix this problem the next time it lauches". What do I do? I get the msg each time I try to open it.

It isn't a file, it's a folder. It will have the same name as your catalog, but will have the extension data. It will be in the same folder along with your catalog. If you need to use the search feature to search for *.lrdata.

My computer crashed with lightroom open, since restart I get a msg LR encounted an error when reading from its preview cache and needs to quit

Hi All
My computer crashed with lightroom open, since restart I get a msg 'LR encounted an error when reading from its preview cache and needs to quit'
I'd appreciate any suggestions
Many thanks

Many thanks for your help, at lease the LR is working now. How do I rebuild previews and smart previews or will this happen automatically?
Many thanks

Lightroom crashes at start up with the error message "Lightroom encountered an error when reading from its preview cache and needs to quit". Please advise on how to fix this error. Thanks

Lightroom crashes at start up with the error message "Lightroom encountered an error when reading from its preview cache and needs to quit". Please advise on how to fix this error. Thanks

You probably need to delete your preview cache. See here
Why And How To Clear Your Lightroom Cache - Lightroom Fanatic
Preference and other file locations in Lightroom 5

When launching lightroom a message saying : Lightroom encountered an error when reading from its preview cache and needs to quit.

Lightroom encountered an error when reading from its preview cache and needs to quit.
What can I do to make it work ?

Restart Lightroom

I'm getting message Lightroom encountered error when reading from its preview cache needs to quit. Lightroom 5 on Windows 7

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