DaemonUmbra

Open a command prompt/terminal and run the command java -version, tell me what it says.

Yes

What is the content of your bat file anyway?

Are you trying to run a server with Optifine installed?

What icon does the file have?

Where did you get Java from? Can you provide a screenshot of what the installer looks like?

That new message indicates you're using 32-Bit Java

No you aren't

What version of Minecraft are you trying to mod?

Use the Gradle wrapper that comes with the MDK

What launcher are you using? Please provide a screenshot.

Use Java 8, 9, or 10. 11 is not supported yet.

That's incomplete and shows no error...

Use Java 8, 9, or 10. 11 is not supported.

1.8.9 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

1.7.10 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

There was a major change in .45 that mods need to adjust to.

Looks like your Java installation is screwed, try reinstalling.

Please provide your launcher_log.txt from .minecraft

What do you mean mods tab? Can you provide screenshots?

Responses merged, don't do that again. Please read the Logs section of my signature below and provide the appropriate log in the appropriate manner.

Ignore the broken version, make a new Profile/Installation, and select your desired Forge version from the version dropdown.

Did you mess with any files manually?

If you changed it and it still crashes, please provide a new log

Actually the question is “Why are you using such an outdated version of Forge?”