Why has my Viber desktop stopped working?

[Windows Central Question]

Viber desktop not working

Helo
After I installed Viber on my Desktop, it did never start giving me the following error message details:
Problem Event Name: APPCRASH
Application Name: Viber.exe
Application Version: 4.2.2.6
Application Timestamp: 53d14501
Fault Module Name: Qt5Gui.dll
Fault Module Version: 5.2.1.0
Fault Module Timestamp: 532c04f2
Exception Code: c000001d
Exception Offset: 00005740
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

Can you help me fix this issue? it's a windows 7 desktop.
Thank you

P Gabriel