Comment 1 for bug 503271

I tested to split and merge a file of 4 Gio (with your parameters) and it works for me (MD5 sum ok, no more chunk files, and confirmation message). But there is something to notice. Actually, the MD5 sum check at the end of the merge is pretty long to do (about 1 minutes and 13 seconds on my eeepc 1000 HE). Moreover, I did not make a UI change during the MD5 sum check which can make the user think the software is stuck.

Did you really wait for the confirmation dialog or the notification to popup after the merge?
Anyway, there is still an enhancement of the UI that can be done. So I will work on it.