Stop the malware from communicating with a server. Run a Full Scan: Use Microsoft Defender or Malwarebytes .
To help me give you more specific advice, could you tell me: Did you or open the file? What was the exact website URL where you saw the link? Stop the malware from communicating with a server
Language telling you to "Download Now!" to fix lag or "Click Here" immediately is a common tactic. ✅ How to Safely Install Optifine What was the exact website URL where you saw the link
High (if the link is not from the official domain). If you want to use the mod without
If you want to use the mod without compromising your computer, follow these steps: Visit optifine.net/downloads .
Click the (Mirror) link to skip the ad-heavy landing page.
Right-click the downloaded file and select Open with... > Java(TM) Platform SE binary . 🛑 If You Already Clicked the Link If you downloaded and ran a file from an unofficial source: