The default directory for the installer is the .minecraft folder so that client install is simple.
Per the warning, you should use an empty folder to install a fresh server, unless you are updating. If you install to the .minecraft directory you are going to leave a mess of client and server files and can cause file conflicts when saving/loading happens.
Use separate installs for separate versions/modpacks, it’s very simple to do using the official launcher and ensures you don’t have this issue or break your worlds
7.0.5 was built against 2768 as it was the RB at the time, so not sure why this crash is happening at all unless the mod wasn’t downloaded from https://reforged.gg/
If the error is from intel graphic but you have a graphics card then you need to make sure it is being used, for nvidia you go to nvidia control panel and force java to use the gpu instead of internal graphics
You have Java 8 u201, which should work fine, however you have also got JDK 11, which will be the default Java used, Forge is not compatible with Java 11 so you should uninstall it, if you need the JDK for writing mods then you should install JDK 8