Win7 system opens the default program "Software Management - Open Unknown File" window failure analysis and solution

Click to select the default program and then the "Software Management - Open Unknown File" window, prompt "can not open" & rdquo; new file text .... " you need to install the following software to open & rdquo;, the specific phenomenon is as follows:

Fault analysis: This is the result of installing the QQ computer housekeeper, you can still click on the program on the computer to open the program list.
Workaround:
1, set ——“other settings in software management & cancel" When you open unknown software, recommend the appropriate software for you" option;
< Br> 2, after this setting, Win7 system will automatically restore the original when you open the program.
Remarks: Software management can be opened from the QQ computer housekeeper interface.
The above is the introduction of the default program for the Win7 system to open the software management - open the unknown file & rdquo; window solution, the method is very simple, friends with this problem can be resolved according to the above method.