Green and purple lines appear on the clips while editing a Premiere Pro video. This issue occurs if the device drivers on your system are not compatible.
Check and update your device driver.
The device driver version that fixes this issue is Intel Driver: 220.127.116.1194.
If updating the device driver does not work, try changing the video rendering settings as follows:
For Premiere Pro:
File > Project Settings > General > Video Rendering and Playback > Mercury Playback Engine Software Only
For Adobe Media Encoder:
File > Preferences > General > Video Rendering > Mercury Playback Engine Software Only