i have the same problem when i m trying to install Emteria version 0.5.3 in my sdcard see the log
+00:19 (, 0) Drive: "SD Storage at /dev/sda" with 7969177600 bytes
+00:19 (, 0) Raw at "/dev/sda"
+00:19 (, 0) PackageWriter initialized successfully
+00:19 (, 0) Starting step 0 Reading package
+00:19 (, 0) Finished step 0 Reading package
+00:19 (, 0) Starting step 1 Verifying files
+00:19 (, 0) "boot.zip" failed MD5 verification
+00:19 (, 0) Expected "ab1911ac5c30c7b834859bf98639f61d" computed "invalid path"
i hope you can solve this