Photoshop & Dreamweaver Can't Open Shared Files

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http://askubuntu.com – I'm running a Windows 7 virtual machine with VirtualBox, I have Guest Additions installed and I've created a shared folder and mapped it so that I can access all my saved files on Ubuntu (Which sync from Google Drive via Insync) via the virtual machine. Now, everything seemed to be good, I can access the shared folder just fine, open and edit files except for files in Photoshop & Dreamweaver! The two reasons I'm evening running a vm! In Photoshop I get this error: Could not complete your request because it is not the right kind of document. In Dreamweaver I don't get an error, t (HowTos)