Cisco Packet Tracer error Failed to create OpenGL context for Format QSurfaceFormat Solved

Опубликовано: 16 Март 2026
на канале: San Infotech
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Cisco Packet Tracer error# Failed to create OpenGL context for Format QSurfaceFormat
1) Variable Name QT_OPENGL
Variable Value angle
2)Variable Name QT_ANGLE_PLATFORM
Variable Value warp

Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command-line interface.

On Windows 7 at the time of login cisco packet tracer 7.3.1 it displays the following error
Failed creat OpenGl context for format QSurfaceFormat(version 2.0, options QFlags(), depthBufferSize 24 .....


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