4: As the virus copies itself or continue to account for system space invasion, the available system space becomes smaller. 5: Since the abnormal activity of the virus program, resulting in abnormal disk access. 6: As the virus attached or occupied by the boot part of the system boot slower. 14: run abnormal phenomenon or unreasonable results. 16: The system does not recognize the disk or hard drive, can not boot system. 17: a Chinese character library built in the system under normal circumstances can not call the Chinese character library or can not print Chinese characters. 18: do not write-protected in the use of the software when the floppy disk write-protected floppy disk appears on the screen prompts.
Windows 7 Professional Edition with presentation mode and join the network name and other functions, which are not included in the home edition. Finally, only with the Ultimate Edition or Enterprise Edition, to enjoy DirectAccess, BitLocker or virtual hard drive power and other functions. Regardless of the reason behind what is, Windows 7 there are so many versions, Microsoft will certainly provoke more criticism, even mockery of the industry. But in some ways, this customization is necessary. After all, Apple may boast only one version of the operating system, the companys goal to only lock the high-end customer markets, the equivalent of Microsofts Home Premium edition piece. However, since the professional version will also have the Media Center and other general consumer features, the presence of Ultimate seems redundant. Over the years, Microsofts Windows operating system aimed at the primary version is the first time to buy a PC customers in emerging markets, so the junior version of the lower price, functionality is limited, for example, only with low-end processor, a lower screen resolution degrees, while the number of procedures performed is also limited.