Professional life provides experience, which gives us the right to veto, in our capacity as a computer scientist, especially an expert in Information System Design, having made a serious observation on the zigzags (in-depth questions) of management computing, which are the major difficulties hindering the loyal services intended by companies, which trouble all management systems (company, organization) in general and the management computing system in particular. This handbook: "Some Major Resolutions, Professional Difficulties in Management Computing" is aimed at technical managers companies, and above all to professional IT specialists of all kinds: information system design experts, computer network experts, programmer analysts, maintainers, etc. Managers/owners of companies excited by the balance sheets their companies are chasing, seeking to stabilize management, need to take note to understand how they in turn need to get involved.