QQ in Vista why not normal operation

Q: I recently installed Windows Vista to experience, but the QQ program does not work on Windows Vista, why?

A: There are 4 reasons why the QQ program does not function on Windows Vista:

1. In order to protect the QQ Password Input window is not the Trojan program through the technical means to obtain user input content, Tencent QQ embedded in the driver. The driver will be directly from the keyboard terminal to get the user input content, and then to run in the user layer of the QQ program. Due to the adjustment of the Windows Vista kernel, the QQ embedded driver error, resulting in Windows Vista crash. This is the first reason that QQ does not work on Windows Vista. Workaround: Delete the Npkcrypt.sys and Npkcusb.sys files under the 00 installation directory to start QQ with standard user privileges.

2. Because QQ login will create a folder with its own QQ name folder used to store the QQ number of data, in Windows Vista, the system forces the use of NT FS file system as a system partition file system. If QQ is installed in the default directory, when a new user tries to use the QQ program, but this user does not have the QQ installation directory to write permission. At this time QQ will be long stay in the login interface. Solution: Bin to this user to the QQ directory Full Control permissions can be.

3. Windows Vista Virtual directional technology will also cause the QQ work abnormal, performance is if the first time with full administrator rights to start QQ, the second time did not start with the standard user rights, then the first chat record will not be able to see after the second login. This is because if a standard user tries to write a file to the Program Files directory by default, the system automatically redirects to the virtual folder c:\users[username]\application data\local Virtual Store\program files\tencent\qq\qq. However, when starting with full administrator privileges, the QQ process will have the right to write files under program file, at which point all configuration information will be written to the C:\Program files\tencent\qq\qq directory. By doing this problem, will cause QQ local information is not synchronized phenomenon appearance.

4. Tencent launched the second generation of QQ password protection system (https://dna.qq.com), in this login interface, I found that Tencent has designed a "safe mode" login mode, when this mode is enabled, the Web page will ask whether or not to install a security control, This control may also cause Windows Vista to not function properly. This is because the control also uses Npkcrypt.sys and Npkcusb.sys, which are not compatible with Windows Vista driver files.