How to fix the problem that you cannot open the software?

After installing the software, the user opens the program and encounters either of these common problems:
Question 1: When opening the software, this message appears?
Here is the message

Answer:

• Because the PC has not installed dotnet 4.0 yet
• To fix this error, reinstall dotnet 4.0

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Question 2: How to fix this problem when opening the software?
Here is the message:

Answer: 

• The cause is that .exe file is lost
• To fix this problem, the user only needs to unzip the installation kit and install repair of the software.

(If you frequently encounter this problem, it is because you PC is infected with a virus, which destroys .exe file. Solution: reinstall windows and remove viruses)