Do you mean the purple-black textures? If you do, it happens occasionally to everybody and it is not a big deal.
You can download the latest Counter Strike, at store.steampowered.com
Counter-Strike games are available to download via Steam.
yes
Softonic has it if you just google Counter-Strike Extreme.
Type in : Download Free Counter Strike (version)
Download steam from steampowered.com and search for counter-strike source
yes
Steam.
On the internet.
To download counter strike source first install Steam at Steam com. then search up Counter Strike Source. it will be in a package with garrys mod, you can buy them both separately or together for £15.00
you can delete the folder and re download it from fps banana .com or if you are talking about models being bad quality check your options and anti analisis.
On steam.