I can only echo everyone else's sentiments. When my husband's new computer ground to a near-halt, beset with malware and viruses, Kostian immediately knew what to do. He sent me an e mail with a link to an anti-malware program, which took care of roughly 80% of the issues and restored the computer to near normal performance. That was followed up with a telephone conference during which he took remote control of the computer and we both watched in amazement as the cursor whizzed back and forth across the screen. Windows opened and closed. Multiple operations seemed to be happening at the same time. I'd never seen anything like it. Half an hour later he was done, and the computer performed brilliantly fast, protected by a new firewall and anti-malware protection which Kostian had installed during the remotely controlled fireworks session. The protective programs automatically scan everything daily and automatically isolate and remove malware and other unfriendly elements.
During all of this, Kostian proved to be a sweet, caring and personable guy. He must have known that we were both completely out of our depths and in unfamiliar territory and he went out of his way to make us feel at ease during the whole thing.
When it was all over, he sent us an e mail with a most reasonable invoice and said to pay it whenever we were ready. Needless to say, we paid it that evening. Would we call him again or refer him to anyone we cared for? You bet.