Filezilla Not Installing On Windows 11 Jun 2026

User Account Control (UAC) in Windows 11 is designed to prevent unauthorized changes to your system. Even if you are an admin, the installer might not have the permissions it needs to write files to your Program Files folder.

Start | v [Download fresh installer from official HTTPS site] | v [Verify SHA-256 checksum] --> Fail --> Redownload | v Pass [Right-click -> Run as Administrator] --> Works? --> Done | v No [Disable SmartScreen temporarily] --> Works? --> Re-enable SmartScreen | v No [Install VC++ Redistributable 2015-2022] --> Works? --> Done | v No [Turn OFF Controlled Folder Access] --> Works? --> Add exception | v No [Turn OFF Core Isolation / Memory Integrity] --> Works? --> Re-enable | v No [Disable third-party antivirus] --> Works? --> Add folder exception | v No [Clear %TEMP% and reset permissions] --> Works? --> Done | v No [Use portable ZIP version of FileZilla] --> Works? --> Alternative | v Report bug to FileZilla forum with Event Viewer logs filezilla not installing on windows 11

To avoid future installation failures on Windows 11: User Account Control (UAC) in Windows 11 is

Check if SmartScreen shows a blue or yellow screen saying "Windows protected your PC." Click More info → Run anyway . --> Done | v No [Disable SmartScreen temporarily]