# Lines in 4.11 and 4.13 GUI

**URL:** <https://discourse.slicer.org/t/lines-in-4-11-and-4-13-gui/15273>\
**Category:** Development\
**Tags:** build\
**Created:** [December 29, 2020, 3:03pm UTC](https://discourse.slicer.org/t/lines-in-4-11-and-4-13-gui/15273 "2020-12-29T15:03:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [December 29, 2020, 6:49pm UTC](https://discourse.slicer.org/t/lines-in-4-11-and-4-13-gui/15273/2 "2020-12-29T18:49:57Z")

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This is called by an Intel graphics driver bug. Updating your drivers will fix the issue. You can find more information here:

> [@Slicer opening screen error - Green Stripes](https://discourse.slicer.org/t/slicer-opening-screen-error-green-stripes/12543/16):
>
> Hi, This happened to me today after a Windows 10 update I received. I understand I will need to investigate up/downgraded drivers but in case it is interesting to the dev team, I found this: Faulting application name: SlicerApp-real.exe, version: 0.0.0.0, time stamp: 0x5cddc587 Faulting module name: ig9icd64.dll, version: 26.20.100.7812, time stamp: 0x5e280fb1 Exception code: 0xc0000005 Fault offset: 0x0000000000040003 Faulting process id: 0x14ec Faulting application start time: 0x01d671…

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_[View the full topic](https://discourse.slicer.org/t/lines-in-4-11-and-4-13-gui/15273)._