>>But we have partners, which recommend us as reliable software vendor. .... They receive 5-10% commission for this service.
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>Thanks for sharing your experience. It's good to have those kind of partners in business.

With our software they feel safety.
Instead of to lose their time to explain to custommer that hardware is OK and the problem comes from installed software, they prefer to get low commission and to lose their time to refer us as proven solution.