Analysis of the problem that such a specific webpage cannot be opened is caused by DNS failure in correct resolution. When accessing the Internet, DNS resolution must first use the local hosts file, and then use a remote DNS server for resolution. Try to modify or delete the content of the hosts file to solve this problem, because some viruses or Trojans maliciously change the hosts file.
1. Click start in the lower left corner, click all programs, click attachments, right-click notepad, and click Run as administrator ";
Tip: It must be run as an administrator; otherwise, it cannot be changed.
If the system prompts you to enter or confirm the administrator password, enter the password or click "allow ".
2. Go to the following path:
Windowssystem32driversetc, double-click to open the "hosts" document
3. If you cannot open the file by double-clicking it, right-clicking the hosts file (if the Windows 7 system is a Lmhosts file) will prompt you how to open the file. Select notepad to open the file.
4. The hosts file is displayed as follows:
5. Delete all selected items and save them.
Applicable Systems:XP, VISTA, and Windows 7
