How to solve the font TTF file under Win7?

We all know that the TTF file is a font file under the Windows system, and the font can be added directly through this file, but sometimes we can not open the file, and will also prompt <; the file has no associated program to perform the operation . Please install a program, or, if the program is already installed, create an association in the "Default Program" control panel. & rdquo; At this time, how can we solve it?

Workaround:
1. Open Regedit.exe in the run.
2. Expand HKEY_CLASSES_ROOT.ttf and make sure the data is ttffile.

3. Find HKEY_CLASSES_ROOT\\ttffile again and confirm that the data is the same as the figure below. If it is different, find a normal computer, export the registry file, and then import the computer with the problem.

Through the above small steps, we solved the small problem of not being able to open the TTF file. Next, you can install your favorite fonts on the Win7 system.