Xperia z1 4.3 update failed with UE error code 5

[Taranfx]

Got this error while updateding Z1 c6902 to 4.3 on OS X. What should i do?

[Redfern]

Same issue here.. 

[Sam]

The first thing to try is to update the version of Java you are using then restart the computer and try the update again:

http://www.java.com/en/download/help/mac_java_update.xml

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[Redfern]

I did try that (as i read it elsewhere that it may help), didn't seem to.. but turned on the PC and updated via SUS instead fine.