First, go to security mode [(restart the system, press F8). Here we will use the Windwos XP system as an example], and then open the Registry (Click Start → run → Enter cmd → enter regedit ).
Search for all "www.4199.com" (click Edit in the window> select search> enter "www.4199.com", which does not contain two double quotation marks .), Delete all the items found with "www.4199.com" (you do not need to delete the Registry folder. You only need to delete the keys with the words "www.4199.com" on the right ).
Search for qqst. dll and rsrc. delete the two dll files (Click Start → search → select a file or folder → select all files and folders on the left → enter qqst In the first format. dll → directly delete it after searching), delete rsrc. dll method and delete qqst. the dll method is the same.
Restart the computer. After the computer is restarted, the system prompts an error occurred while loading rsrc. dll. This will clear the file!