Apologies if I'm hijacking your post Charley2u's, but since it a similar problem...
Here's the info sal_vager requested:
KSP version: 1.2.2 on Windows 7 32bit
build id = 01622
2016.12.06
1.2.2.1622 (WindowsPlayer) *******
Kerbal Space Program - 1.2.2.1622 (WindowsPlayer)
OS: Windows 7 Service Pack 1 (6.1.7601)
CPU: Intel(R) Pentium(R) 4 CPU 3.20GHz (2)
RAM: 2048
GPU: NVIDIA GeForce FX 5200 (256MB)
SM: 20 (Direct3D 9.0c [nv4_disp.dll 6.14.11.7519])
RT Formats: ARGB32, ARGBHalf, Shadowmap, RGB565, Default, DefaultHDR, ARGBFloat, RGHalf, RFloat
A detailed explanation: The opening screen displays ok, after clicking play the game loads but all the text is pink blocks
Here are some sceenshots:
https://drive.google.com/open?id=0By2bPxeWVQHzeFF1blpQeF9ITlE
https://drive.google.com/open?id=0By2bPxeWVQHzNzliOWpnNzNzcG8
https://drive.google.com/open?id=0By2bPxeWVQHzaGdMd0Foc0pBWFE
Text within the grey dialogue boxes and on buttons doesn't display at all.
Clean install/ No previous versions were installed, and only Chrome, KSP and an anti-virus program on the PC. No mods.
It could be a graphics card issue - My pc was recently upgraded from XP to Win7(32bit), but NVidia don't seem to officially provide a driver for the GeForce FX5200 for Win7. However, loads of forums suggest installing the Vista 32 driver which I have done, and while graphics on the pc are fine in all other respects, the KSP display problem is the same as with the older XP driver.
I also tried restoring the default fonts, but the button is deactivated in Windows - maybe because it already has them as it's only just recently been installed.
I hope you can help.