KSP1 Technical Support (PC, unmodded installs)

6,216 topics in this forum

1. How do I install previous versions of KSP?

   By Zerxal, May 27, 2017
   • 13 replies
   • 19.4k views
   • 
   • michaelbezos1
   • February 24, 2020

2. Common issues, the Launch/Patcher, Command Line Arguments, and why KSP won't start on macOS.

   By sal_vager, November 9, 2015   

   • known issues
   • sierra
   • (and 1 more)

      Tagged with:

     • known issues
     • sierra
     • patcher
   • 0 replies
   • 23.3k views
   • 
   • sal_vager
   • November 9, 2015

3. Known Issues & Self Help

   By Claw, August 27, 2014
   • 0 replies
   • 71.3k views
   • 
   • Claw
   • August 27, 2014

4. Stock Support & Bug Reporting Guide

   By Claw, August 15, 2014   

   • !!! please read before posting !!!
   • 1 reply
   • 52.7k views
   • 
   • Claw
   • August 15, 2014

5. KSP just won't close when I press the quit.

   By Vphurple Izumi, April 6, 2023   

   • bug
   • crash
   • (and 1 more)

      Tagged with:

     • bug
     • crash
     • unresolved
   • 8 replies
   • 1.2k views
   • 
   • Lisias
   • 3 hours ago

6. NullReferenceException: Object reference not set to an instance of an object at PQS.BuildVertexMapCoords CTD 1 2

   By verniervonkerman, May 21, 2023   

   • fixed-ish
   • 31 replies
   • 1.4k views
   • 
   • Lisias
   • Tuesday at 06:41 PM

7. How do I convert .craft file to a .obj file?

   By Commy, November 14
   • 1 reply
   • 74 views
   • 
   • Lisias
   • November 14

8. KSP1 Randomly crashing, bizarre crash log

   By omegalex, October 8
   • 22 replies
   • 672 views
   • 
   • omegalex
   • November 5

9. Bug related to EVA construction mode

   By Sparffles, October 3, 2021   

   • kerbal clone
   • eva construction
   • (and 1 more)

      Tagged with:

     • kerbal clone
     • eva construction
     • bug
   • 2 replies
   • 1.4k views
   • 
   • histalonia
   • November 3

10. Mouse cursor invisible (Linux)

    By VITAS, November 2
    • 0 replies
    • 39 views
    • 
    • VITAS
    • November 2

11. Help needed, deleted quicksaves

    By mkd3, October 11
    • 0 replies
    • 54 views
    • 
    • mkd3
    • October 11

12. UI Size keeps changing itself

    By SG Aero, May 24, 2020
    • 2 replies
    • 1.8k views
    • 
    • Zelthier
    • October 8

13. Bug while going eva of a mobile lab.

    By RavenCOS, September 27
    • 1 reply
    • 142 views
    • 
    • Anth
    • September 27

14. My Breaking Ground Expansion disappeared after a steam update.

    By Wallace Vitório, September 3
    • 3 replies
    • 197 views
    • 
    • MechBFP
    • September 4

15. Front Landing Gear Not Deploying for Custom Cockpits (Thanks to Quicksave Problems)

    By Mars-Bound Hokie, August 19   

    • explosion
    • stowed
    • 16 replies
    • 427 views
    • 
    • Bobbejans
    • August 31

16. KSP1 | KSP Failing to launch after its done loading

    By Earthboy, August 24
    • 1 reply
    • 112 views
    • 
    • jimmymcgoochie
    • August 25

17. KSP running in background Windows

    By DeadJohn, August 16
    • 5 replies
    • 245 views
    • 
    • DeadJohn
    • August 17

18. Missing vanilla parts and interior models in game

    By gachpilleur, August 14
    • 3 replies
    • 123 views
    • 
    • Gargamel
    • August 14

19. Does AMD driver program hs anything to do with the Game itself?

    By totor_o, August 6   

    • driver program
    • AMD
    • 0 replies
    • 95 views
    • 
    • totor_o
    • August 6

20. Yaw not working.

    By GGaF, July 28   

    • technical issue
    • yaw
    • 5 replies
    • 314 views
    • 
    • Vanamonde
    • July 31

21. Tutorial boxes shifted off right edge of screen on 2560x1440 monitor

    By RocketFreek, July 30
    • 0 replies
    • 103 views
    • 
    • RocketFreek
    • July 30

22. There is this one time where everytime i zoom in enough, the spacecraft disappears, but when i zoom out the spacecraft appears again, What do i do?

    By Bobdock Kerman, July 30
    • 2 replies
    • 143 views
    • 
    • Bobdock Kerman
    • July 30

23. why does everytime i use a quicksave or switch to a vessel pn, for example, the Mun, the kraken emerges and destroys the the vessel and i dont know how to stop that from occuring again

    By StarKerbol, July 26
    • 1 reply
    • 137 views
    • 
    • Gargamel
    • July 26

24. MY KSP CRASH...

    By totor_o, July 14
    • 2 replies
    • 221 views
    • 
    • totor_o
    • July 16

25. Can Pitch/yaw/roll have less than full inputs with joystick?

    By Nightside, July 14
    • 0 replies
    • 245 views
    • 
    • Nightside
    • July 14