Also it can be broken download - your had reported not only one problem so I guess you have not all files unpacked successfully from the dpwnloaded package.
Try to redownload and reunpack KM. Another option is to download latest KM Twin which is based on KM 1.6 beta 2.5 by JamesD.
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Using
K-Meleon-1.6.17db+ /
KM-16-S2014
1.6beta2.5 by JamesD
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Recommending K-Meleon Twin+
Try and
discuss it!!!