Win7 system open QQ prompt configuration is not correct reason and solution

One of the reasons: your computer's Windows Installer service is not turned on.
Solution:
Open the control panel → management → service, open the Windows Installer service, and set it to automatic, then restart the computer.
Reason 2: The Visual Studio runtime is not installed on your computer.
The application was developed in Visual Studio 2005 and above and relies on the corresponding runtime library that is not installed on your computer. (For VC6 or VS2003 developed applications, if the library file is missing, it will prompt the lack of "**.dll", but VS2005 or VS2008 only prompts "due to the application configuration is incorrect ……". )
Solution:
1, not reloading the application, not reinstalling the system, but installing the corresponding runtime (Microsoft Visual C++ 20** Redistributable Package, ie vcredist_x86.exe.
2 It is a bit difficult to distinguish which version of VS is developed. Even if some software is developed in multiple versions, then a variety of vcredist_x86.exe are installed. They are compatible with each other and can solve most software on your computer. The same kind of problem.
The following is "<20**” on behalf of <; " or “2008” or "2009” or "2010”.
required installation package
only needed A file —— download vcredist_x86.exe from Microsoft's official website download center
1. Open control panel → management tool → service, if Windows Installer service If it is enabled, set it to automatic, then restart the computer. If it does not solve the problem, continue.
2, you can initially determine which version of VS your program is developed.
(Open the application directory, search Is there a file starting with mfc or msvc, if any, please check the version of the file to know the version of VC. Please see the following figure, 8 indicates VC8.0 development, 9 indicates VC9.0 development)
VC version of VS2003 VC.1,
The VC version of VS2005 is vc8.0,
The VC version of VS2008 is vC9.0.
3. The control panel "Add/Remove Programs" check whether the machine is installed. Microsoft Visual C++ 20** Redistributable Package.