Did anyone notice? (bug?)

Lately I've been getting this kind of Bug, everytime I take sample, lets say a drum loop and Extract parts of it to different samples and then trim them, I get this weird crakling noise in certain parts of the samples, not on the begining or the end, but right in the middle of the sample. Sometimes it happens and sometimes It doesn't, I just decided to star saving the samples as soon as I sample them 'cause I got tired of loosing my samples after I trimed them.

Anyone getting the same problem??

After I'd trimmed a sample there occured noise in OTHER samples already in memory. I do all the trimming now after saving and check all my samples after that.