Never used this before and this happened after install...
 

File: map_exp01_dun_shimmering_citadel_0.dds
mscorlib
at System.IO.__Error.WinIOError(Int32 errorCode, String str)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode)
at WindowsApplication7.DownloadWorker.DownloadFile()The process cannot access the file "D:\Program Files\Sony\EverQuest II\UI\EQ2MAP\images\maps\map_exp01_dun_shimmering_citadel_0.dds" because it is being used by another process.
File: map_exp01_rgn_pillars_of_flame_epic01_cazel.dds
mscorlib
at System.IO.__Error.WinIOError(Int32 errorCode, String str)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode)
at WindowsApplication7.DownloadWorker.DownloadFile()The process cannot access the file "D:\Program Files\Sony\EverQuest II\UI\EQ2MAP\images\maps\map_exp01_rgn_pillars_of_flame_epic01_cazel.dds" because it is being used by another process.