Is the original image available or only a Smart Preview? ... View more

You are Using Lightroom, also called Lr Desktop that is the Cloud Based version, and NOT Lightroom CLASSIC. I have moved your post to the LrD forum space. ... View more

Do you have another computer to check the images on and or some other RAW converter software program?   You can probably download Capture One as a trial and load those images into it and see if the lines are still there. If they are then the File are corrupted OR you have a camera Sensor problem. ... View more

You DO NOT "Install LrC" on the External Drive. LrC need to be installed on the main hard drive in each of the computrer you want to use it on.   You COPY the LrC CATALOG and ALL your images to the External drive.   Please Re-Read my posts and the one from @dj_paige  @Rob_Cullen  and @JP Hess      ... View more

None that I know of ... View more

You are using LIGHTROOM the Cloud based version, It Seems, but you have posted in the Lightroom CLASSIC forum.   2 Completely Different programs that Adobe has foolishly named the same.   Also would you PLEASE STOP composing your posts outside the forum system as whatever you are doing make them not format properly when post to the actual forum system.   I edited your original post so no one has to Scro;; left to right to read you post. But you did it again with the reply to my original Reply.   Please state Exactly Which Version of Lr you are using.   ... View more

When was the last time you Restarted your computer? Try that frist. ... View more

In the future, So people don't have to download the image you have attached, please use the Insert Photos icon found in the Tool Bar of the Post and Reply text entry dialog window as pictured below. Since you Can't Edit your original post to remove the Attached screen shot Please include the screen shot you attached to a new reply to this conversation by clicking the Blue Reply button under your original post and use the Insert Photos icon in the tool bar. The Insert Photos icon is this one in the Tool Bar. Thank you. ... View more

I think this is something you need to take up with the Spyder Pro people.   Recalibrate? Reset that screen to the Default calibration that it was Shipped with? Use the sRGB profile as noted on this web site? https://www.lightroomqueen.com/how-do-i-change-my-monitor-profile-to-check-whether-its-corrupted/   ... View more

YES!!! The $9.99 Photography Plan Subscription will Give YOU LrC, Photoshop and LrM for your phone and Pad.   I thought I covered that before?   As stated by @dj_paige The Photography Plan is the one you want. ... View more

Show us a screen shot of what you are asking about. Of whatever you think LrC left behind. ... View more

Your post was moved over from the "Using the Community" forum, which is for getting help using this forum system, to a better forum. I hope this helps. Best of luck to you.   In the future, So people don't have to download the image you have attached, please use the Insert Photos icon found in the Tool Bar of the Post and Reply text entry dialog window as pictured below. Since you Can't Edit your original post to remove the Attached screen shot Please include the screen shot you attached to a new reply to this conversation by clicking the Blue Reply button under your original post and use the Insert Photos icon in the tool bar. The Insert Photos icon is this one in the Tool Bar. Thank you. ... View more

Yes!!!!   When converting, Upgrading, any older Lr (Traditional Version) catalog to a Newer one all of your original work is retained. I have been using the SAME EXACT Catalog since Version 1 of Lr. It has just been Upgraded, converted, many times from older to newer to work with the newer versions of Lr over the years (14 year).   But as I stated in a previous reply the older version is COPIED, so the older version catalog remains In Tact, and that Copy is converted, Upgrade, to work with the newer version of Lr.   So If you want to Nit Pick I am not actually using the Same catalog file.   ... View more

Your post was moved over from the "Using the Community" forum, which is for getting help using this forum system, to a better forum. I hope this helps. Best of luck to you.   This forum system is not a direct link to Adobe support. We are just users like you and can't help with account questions. You need to contact Adobe directly through the Chat system at the link below. https://helpx.adobe.com/contact/support.html Select the chat icon at the bottom right of the page to open a chat session. Type in AGENT into the chat window to connect directly to a person rather than the AI System. Best of Luck ... View more

File menu item, Select New Catalog.   But IMHO that is a very bad idea. It is not the way LrC was designed to be used. You can separate Shoots with Keywords or use a Folder structure, Job Name + Date or whatever you like to name the folders that Shoots images are stored in and use ONE Catalog that contain ALL your images. ... View more

Don't know, Not sure.   Apple has had problems with GPUs in Macbook Pros since 2008. But basically unless the GPU fails completely, no picture on the screen, AND you ARE within a Warranty period (Apple Care), Apple will not fix it.   So just use it with that option turned off in the LrC Preferences. ... View more

Your post was moved over from the "Using the Community" forum, which is for getting help using this forum system, to a better forum. I hope this helps. Best of luck to you. ... View more

Was it Very Cold out (was the Camera cold) when you took the shots that have these lines?   If it was then it is a camera sensor problem. It doesn't like the Temp it was used in. ... View more

As stated below in my other reply it could be caused by any of those faults and or actual camera sensor problems or memory card failure, corruption, or faulty hardware, Card Reader or Cable.   I think the Files are Corrupted and that is caused by faulty hardware someplace in the chain from taking the pictures, storing them on the memory card or getting the imaged from the memory card to the computer hard drive. ... View more

Your post was moved over from the "Using the Community" forum, which is for getting help using this forum system, to a better forum. I hope this helps. Best of luck to you. ... View more

But looking at the pictures you posted those lines could be either Faulty GPU, Faulty Monitor or corrupted image file data.   First thing to do is to go into the LrC Prefercnes, on the performance tab, and turn off the option to use the GPU and test. ... View more

Please Take Screen Shots with your computer. Both Mac OS and Windows has the option to actually take Screen shots. And then included those in a reply.   Pictures take with either a camera or your phone don't cut it.   Thanks. ... View more

In my opinion the Cloud based version is a Very Bad idea.   If you want to Edit, have Access, to All your images from 2 different computers then what you need to do is put all your images on an External drive and also place the catalog file on that same external drive.   You can then Open that catalog on either computer and have total access to all your images. This works best when you are using the same Kind of computer (Each computer is using the same operating system) and the external drive is getting the same exact Drive letter, or has the same Drive Name for Mac's, on each computer.   Sorry I did not read @Rob_Cullen reply but I, being a long time user of the Traditional version of Lr, would not even think about switching to the Cloud based version. It is something completely new and does not retain certain options as far as editing that are included in the traditional version and I have no idea if it even uses a Catalog file and or if older versions of Lr (traditional versions) catalog can be imported, Used in any way, with the Cloud Based version. I willl not throw away all the work I have done in the REAL Lr over the last 14 years.   I have the mobile version on my phone. I use it to Upload images I take with my phone to the Web system and then down to my computer and LrC. But those are few and infrequent (I use my Cell/Smart phone as a PHONE with some added features and options if I need them). I also use it to show people some of my images that I have synced to the Web/Mobile system form LrC. I do not sync all my images as I have no need to have all of them accessible on my phone.     ... View more

Are you asking about Logging Into this forum system or into the LrC Program on Your Computer?   As to this forum anytime you Close the browser you are using to access this forum you need to Sign In again when you want to come back to this forum system.   If you are asking abouth the LrC Program then follow the oinks I posted in my other reply. ... View more

I moved you post from the LrC forum to the LrD forum. ... View more

As to your Title of your post. Start Over. Alll you have to do is Start a New Catalog. Click on the File menu item and select New Catalog. you will be prompted for a catalog name and a folder to place this new catalog in. And or you can Select the folder, and or Create a folder, to place this new catalog in. ... View more