I have found a problem in the indexing code of BTSync. I had a huge problem when trying to Sync a huge folder. The size and number of files didn't matched. I have enabled the debug log, started a fresh installation of BTSync 1.3.94 on a Server 2003 machine. Indexing process stopped at about 15% of the size and files. The relevant part of the Sync.log file shows: [2014-05-01 09:47:41] SyncFilesController [file updated]: Processing file \\?\D:\Main\2009\A\Photo Reg Templates\PhotoReg Temp.doc 1350671957 157696[2014-05-01 09:47:41] SyncFilesController [file updated]: Processing file \\?\D:\Ma