Quick fix: end any leftover WinRAR processes in Task Manager, then run a freshly downloaded installer as administrator with antivirus paused. A hung install almost always means a locked file or a half-finished download.
WinRAR Install Stuck or Frozen — Fix
Setup hangs, freezes, or never finishes
A WinRAR install that freezes part-way — a frozen progress bar, a “not responding” window, or setup that never completes — is nearly always caused by a file lock, antivirus scanning the installer mid-copy, or a corrupted download. The fixes below clear each of those.
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