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ShowWhatProcessLocksFile, published by PolarGoose and now at version 10.0, is a lightweight system utility designed to identify which running processes are holding an exclusive lock on a specified file or folder. Positioned in the File & Disk Management category, the program addresses a common Windows frustration: the inability to move, rename, or delete items because they are reported as “in use.” By parsing the same underlying object-manager data that the native PowerToys File Locksmith utility consults, ShowWhatProcessLocksFile delivers a quicker, stripped-down alternative that launches, scans, and reports within seconds. Typical use cases include unlocking media files left open by an invisible background encoder, releasing document handles after an Office crash, safely ejecting an external drive whose contents still appear busy, or troubleshooting failed software deployments that complain of locked binaries. Since its first public appearance, the tool has evolved through five major iterations, each refining scan speed, reducing memory footprint, and adding quiet-mode scripting options that allow power-users and IT staff to pipe results into batch cleanup jobs. The executable is fully portable, requires no installation or elevated rights for basic queries, and presents findings in a minimal table that lists process ID, image name, and the specific access level granted. Version 10.0 introduces optional CSV export and a dark-theme toggle while remaining backward-compatible with command-line switches introduced in earlier releases. ShowWhatProcessLocksFile is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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