The need to analyze system errors in computer games is important to ensure maximum software uptime. The severity of the error may differ from the priority of the fix. In many cases, the severity can be quantified and monitored separately. If the issue is widespread, it can be categorized as a critical bug that prevents further testing of the game. Depending on the severity, a software developer may want to collect hundreds of data points before deciding whether to fix it. Mistakes can be devastating. Sometimes a mistake makes saving impossible. Then there is no way to save and the files may be damaged or lost. In Skyward Sword, Nintendo admitted that the Hero's Song quest could not be completed due to a corrupted save file. In this article, the company has explained the reason and suggested workarounds. Depending on the severity of the error, it can be temporary or permanent. Temporary glitches occur at specific times and locations and can negatively impact the user experience. On the other hand, a visual defect is more temporary in nature and consists of an offset button or image. A technical defect is a documentation issue that could be missing an image or a form element. This is how the best os for gaming is selected and improved.