File Name- Arial-client-1.8.9.zip __exclusive__ File
Because the client may attempt to read or write to Minecraft’s process memory. This behavior is common for overlay features but also common for malware. Whitelist only after thorough verification.
Ultimately, if you cannot verify the integrity and purpose of File name- Arial-Client-1.8.9.zip , the safest choice is to delete it and rely on open-source, well-documented clients. Your digital security and online reputation are worth far more than any feature an anonymous ZIP file might promise. File name- Arial-Client-1.8.9.zip