This is the SketchUp forum, the current product used by millions of users is also called “SketchUp 2018”. Thus, can you edit your thread title and change it to something related to your specific problem, e.g. “Hardware acceleration not detected on startup”
In the 2018 release notes, there is a patch for flaky systems:
Miscellaneous
Added a preference to workaround an issue in which selection could be very slow on some Win 10 systems. To set this preference open Command Prompt and enter: “C:\Program Files\SketchUp\SketchUp 2018\jsonpatcheditor” Preferences WorkaroundDrawXorRectUseGLFlushNotFlushDraw b true
Note: If you installed SketchUp in a non-default location you will have to update the location above.