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raisa marieb16256122
Participant
August 14, 2017
Question

''Lightroom encountered an error when reading from its preview cache and needs to quit.''

  • August 14, 2017
  • 4 replies
  • 6095 views

Please HELP! I am a monthly purchase and I cannot use Lightroom.

This topic has been closed for replies.

4 replies

B
billvert
Participant
October 9, 2018

I had a similar problem and it turns out when I was using Windows Defender the builtin AntiVirus (Settings->Virus and Threat Protection) I turned on "Controlled Folder Access" in Ransomware Protection section.  When I turned it off Lightroom worked fine.

I have the recent Windows 10 "October Update"

    J
    Joey301
    Known Participant
    October 5, 2017

    It is happening to me over and over now. WHen I reboot, it is ok for a few minutes, then it crashes again with the same error message.

      Abambo
      Community Expert
      AbamboCommunity Expert
      Community Expert
      October 5, 2017

      Did you follow the instructions above?

      If yes, what is your version of the OS, version of Lr?

      ABAMBO | Hard- and Software Engineer | Photographer
      JP Hess
      JP Hess
      Inspiring
      August 14, 2017

      The quickest way to resolve this problem is go to the folder that contains your catalog and delete the folder that has the extension lrdata. Do not delete anything else. Then start Lightroom again. Lightroom will start building a new previews folder as you continue to use it.

      R
      raisa marieb16256122Author
      Participant
      August 14, 2017

      I already tried removing this file but it does not let me. It says that I do not have the permission to delete this file. I am the only user... I do not know why it does not let me run as administrator. I have tried creating a new catalog as well but the problem was only solved temporarily. It appeared again after some time

      Abambo
      Community Expert
      AbamboCommunity Expert
      Community Expert
      August 20, 2017

      Restart your machine and before doing anything else, delete the folder as stated. If you still can't delete, because some unknown program keeps this folder locked, start your PC in safe mode (https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode ). For me, holding the shift key when initiating the reboot works also when signed-in. No need to go through the hassle of the settings.

      In safe mode, delete the said folder and reboot immediately. Do not start working in safe mode. Safe mode is a minimal environment, that allows doing operations, that may otherwise not be possible, like removing a file that stys blocked in standard mode. It is not intended to work in this mode nor are all the drivers and programs loaded, that make the Windows work environment.

      ABAMBO | Hard- and Software Engineer | Photographer
      cmgap
      Community Expert
      cmgapCommunity Expert
      Community Expert
      August 14, 2017

      Please provide more details. Are you getting an error message? What exactly is happening? Did you convert a  trial version to a paid subscription? What kind of system are you on Mac or Windows? What version of OS are you running?

      R
      raisa marieb16256122Author
      Participant
      August 14, 2017

      cmgap​ yes it is an error message. When I restart my computer Lightroom successfully opens but after some time, this error message comes up and forces me to close Lightroom. I had a trial version before but when I subscribed, I reinstalled Lightroom since another error message did not let me upgrade the trial to the subscribed version. Anyway that problem was solved. However, now I also did a full reset of my laptop (removing all the files) but the error message remained popping up. I use Windows 10.

      Thank you for your help.

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