__link__ | Download Pokemon Radical Red V40 Upd

You are likely using the wrong base ROM. Ensure it is the "Squirrels" version.

Radical Red v4.0 uses heavy scripting and custom battle animations. To avoid lag or crashes: download pokemon radical red v40 upd

Here are a few options:

Technically, you don't download a pre-patched game file. Instead, you create it yourself to ensure it's authentic and safe. You are likely using the wrong base ROM