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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.
During setup, selecting the option to install for "anyone who uses this computer" can sometimes resolve profile-specific permission issues. filezilla not installing on windows 11
Check Windows Security → Device security → Core isolation details . If Memory Integrity is On , try turning it off temporarily. User Account Control (UAC) in Windows 11 is
Windows 11's Controlled Folder Access blocks any non-Microsoft-signed application from writing to protected folders (Documents, Pictures, Desktop, and also installation temp directories). The installer may fail silently. Check Windows Security → Device security → Core
If you are using third-party antivirus software (like Norton, McAfee, or Bitdefender), it may be actively blocking the installer from unzipping its components.
