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chonnapatt
Participating Frequently
October 13, 2019
Question

adobe lightroom encountered an error preview cache

  • October 13, 2019
  • 25 replies
  • 3270 views

Hi , I read form other post and delete the .Irdata file put it still showing same error even when i delete all folder(catalog).So lightroom show up with no photo since i have to create new catalog but still the same problem . can someone help please i really need to continue my work. ;(

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JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 13, 2019

You should not delete all the files in C:\Users\Admin\Pictures\Lightroom. You should only delete the folder called 'catalogname previews.lrdata'. It is still possible that Lightroom uses another catalog however, stored somewhere else. That would explain why deleting these files doesn't solve te problem. 

-- Johan W. Elzenga
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chonnapattAuthor
Participating Frequently
October 13, 2019
i already try delete only the previews.lrdata file but it also doesn't work..
JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 13, 2019

Please read my last reply. I'm pretty sure that you are deleting the wrong files. If you delete ALL the files in the catalog folder (except the backups), then you make a big mistake because you also delete the catalog file. Next time you start Lightroom you will see a message that Lightroom cannot find the catalog, asking you to locate it or to create a new one. If you do not see that message but continue to see the error about the previews cache then that suggestes that Lightroom is using another catalog located somewhere else. Maybe you are using a backup catalog without knowing it. Can you open the Backups folder and show what is inside?

-- Johan W. Elzenga
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chonnapattAuthor
Participating Frequently
October 13, 2019

JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 13, 2019

Are you sure that you have deleted the previews.lrdata and not the smart previews.lrdata? And are you sure that this isn't another catalog?

-- Johan W. Elzenga
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chonnapattAuthor
Participating Frequently
October 13, 2019
Yes because i delete all the file in C:\Users\Admin\Pictures\Lightroom (except Backup)
C
chonnapattAuthor
Participating Frequently
October 13, 2019

JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 13, 2019

Could you please explain in a bit more detail what happens and what you have done to try to solve it? Usually when you get the 'could not read the previews cache' error, Lightroom will not start at all so you don't see what's in the catalog either.

-- Johan W. Elzenga
    C
    chonnapattAuthor
    Participating Frequently
    October 13, 2019
    I try to delete Previews.LRDATA file and reopen lightroom but it still show the same error massage.
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