You Must wait for all folders to sync to the computer to avoid crashing (time-based on the size of files (mine are huge) 'Make Available Online Only' is visible, but deselected R_click the folder you want to work on and make sure the option

Hover over the cloud icon folder you wish to access. Open the Box App (or other CLoud based storage) on your desktop to view in its File Explorer list ACDSee seems to have difficulty accessing Cloud only folders.

I felt that Box was syncing differently than DBox as the File explorer showed cloud icons next to the file folders. It seemed to always happen with my old, and new Windows 10 when in Dropbox or more recently in BOX which my company requires us to use. This was making me crazy, and support was little help suggesting only upgrading graphics driver, to no avail. My entire workflow goes through ACDSee and I have upgraded yearly for 10years for new features. I'm not going to upgrade before the development mode has undergone some massive development.I have been having this issue of freeze/crashing for months and even bought a new laptop to try to get it resolved. In retrospect i wouldn't have needed the Ultimate version at all, ACDSee 19 would have been sufficient, but I spent the money and gained the insight. I am waiting to test the upcoming beta of Affinity Photo for Windows.

So my workflow nowadays is: Manadage and view my files in ACDSee Ultimate 9, develop Raw files with DxO, in case local adjustments or anything more complcated is asked for, I don't go back to ACDSee but use my old Photoshop CS5.1 or my new Photoline 19.5.

What I especially don't like in ACDSee's develop mode is the fact that instead of small sidecar files it generates full size jpg's in a 'developed' folder, without me beeing able to do anything about it. DxO Optics Pro 10 Elite has the 'dehaze' Filter incorporated in the Raw development and with 'Prime' an unsurpassed noise reduction. Rendering of fine detail and noise reduction are unacceptable compared to the likes of DxO, Capture 1, Photo Ninja and even Raw Therapee. I have Ultimate 9 but I only use the management and view modes. In my opinion it is not so much the edit mode that is falling behind its competitors, sadly it is the develop mode that is falling behind.

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