Optifine is safe. It is usually in a .jar file format. .jar files are executable, like .exe files. That is your OS and/or browser security settings letting you know this.
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"We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far."
https://imgur.com/a/rTR6R0e
Isn't optifine safe?
Optifine is safe. It is usually in a .jar file format. .jar files are executable, like .exe files. That is your OS and/or browser security settings letting you know this.
"We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far."