This is normal and no update is going to correct it, if you look in Metadata panel showing it ,will tell you what app might of caused this issue.
EXample is Photoshop simply select read from disk this issue has occurred since LR 1.
If you write your Metadata to disk Ctrl S or CMD in LR you can then remove folders from LR but save changes to disk first this will generate Sidecars with your edits to the pictures.
you can check this by revealing folder and looking for the xmp files might need to change settings to show hidden...
When you open an image to external editor , LR auto names the file so in the Ext Editor you select save to have the image appear in LR, If you select Save as your renaming the file, so image would not appear in LR Catalog, but you can select the folder in LR Library and right click or Ctrl click...
dng files the sidecars are in the dng file not in the folders.
You did not mention if this was an internal Hard drive or an external one?
Thing to try is move the dng files into there own folder, and the Raws files from your camera in there own folder does the questin mark go away, In this...
No the fact is even though these are raw files and the ppi is 3'' LR should read this data funny apple aperture does read them at 3'' and as to the acr being a plug in major issue is to get latest ACR you need to download the program again this was a big mistake on there part.
export to burn
Can you export to folder with out burning
hmm you say you can't open the catalog now
Ctrl click LR on desktop keep ctrl key down
create new catalog then import some images into it
Make sure the catalog goes in the LR folder
in windows it is my pictures for xp and pictures for...
vista driver issues
your settings for Lr are kept here
Hold down the windows flag key (windows logo) on key and press R
Flag R then in the run type this
locate Lightroom, Right click it and choose Cut then pasts this folder to your desktop or documents
Now real issue is that...
Biggest issue with lr is dpi is only 24' dpi not 3'' dpi my camera shoots at 3'' dpi plus and when exporting I have to make sure to change this to 3'' dpi, ACR should read the data on my raw images which my camera software does read correctly.
This and ACR should be a plug-in not embedded in the...
If you make LR write Meta data to a sidecars (disk) then Bridge would see these settings as well ( in Lr go to file catalog settings then meta data settings tab select all then write these changes to disk
when you open a file from LR you are in fact brining it into Psh with ACR already done why...