This problem exists for a long time,i hope it will be OK next week.
In my opinion,duba is almost junk.more and more people in china hate it because of their ads. and duba has no their own tech.
I have to say Rising AV is not good,but when you buy one, yon can update for 4~5 years long(at least in china we can). But i now use...
i have tried many times,but the update always failed. show this: Error:fialed to save package! ???
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