I have been booted out of game 3 times since I update today 5/31/18 and this is the message I get every time it boots me.
1.67.10.304bf3d0
Windows 10 10.0 x64, 1.8.0_171 amd64
Intel (Intel(R) HD Graphics 405) - 4.4.0 - Build 20.19.15.4835
haven.StreamMessage$IOError: java.nio.file.FileSystemException: C:\Users\jaspe\AppData\Roaming\Haven and Hearth\data\cache3004876426806306722.new -> C:\Users\jaspe\AppData\Roaming\Haven and Hearth\data\67d9501310a7fe1c.0: The process cannot access the file because it is being used by another process.
at haven.StreamMessage.close(StreamMessage.java:127)
at haven.MapFile$Grid.save(MapFile.java:457)
at haven.MapFile.update(MapFile.java:758)
at haven.MapFile$Processor.lambda$run$0(MapFile.java:214)
at haven.MapFile$Processor.run(MapFile.java:230)
Caused by: java.nio.file.FileSystemException: C:\Users\jaspe\AppData\Roaming\Haven and Hearth\data\cache3004876426806306722.new -> C:\Users\jaspe\AppData\Roaming\Haven and Hearth\data\67d9501310a7fe1c.0: The process cannot access the file because it is being used by another process.
at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
at sun.nio.fs.WindowsFileCopy.move(Unknown Source)
at sun.nio.fs.WindowsFileSystemProvider.move(Unknown Source)
at java.nio.file.Files.move(Unknown Source)
at haven.HashDirCache$2.close(HashDirCache.java:279)
at haven.StreamMessage.close(StreamMessage.java:122)
... 4 more