However, despite its later technology, there are still errors encountered in Windows 7. Windows 7 is the operating system released by Microsoft, following the Windows Vista. It is crucial to react to the signals on your screen and investigate the problem before trying to fix it. Some may only need a quick fix of re-installation of the system while others may require in-depth technical assistance. Windows errors are issues that can be fixed through solutions depending on what may have caused them in the first place. It is not unusual for a computer to encounter problems but it is also not a reason to let it be and not to investigate on the errors. Seeing an error when you work on your computer is not an instant cause of panic. 3. More info on Windows 7 icon grid spacing.2. Causes of Windows 7 icon grid spacing?.