Where are the bugs from? Why is it not possible to develop software without bugs? That might be possible but terribly expensive. The changes in the original code of the program tend to cause the bugs. The programs are written by different people in various programming languages, by people with experience or without. That's why many mistakes will occur and as a result - testers will always have job.
Our company has 6 years of experience in the education specifically in the field of software testing, including preparation for the ISTQB certification. With extensive experience of teaching in groups, we are faced with the fact that one of the biggest problem is lack of time. It is very difficult to find time to practice, which will be convenient for all group members.
On many occasions the most common fixing suggestions are to clear your cache and cookies if you want your browser to work effectively and without delays. In most of the cases clearing out your cache and cookies is not only a crucial problem-solving step, and it may really sound like you just need “to restart”, but it can be a great solution altogether.