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To rule out a corrupted file in your last-used folder, force ACDSee to open in a different mode:

Download the latest installer file directly from the official ACDSee website.

, or does it only happen when you perform a specific action like Batch Editing Metadata Embedding

: Conflicts with NVIDIA Desktop Manager or specific GPU settings have been reported. Try disabling the NVIDIA Desktop Manager or changing GPU utilization to "Use For Graphics and Compute needs" in the NVIDIA Control Panel Verify Microsoft Edge Installation

ACDSee relies heavily on hardware acceleration. Outdated or conflicting GPU drivers (especially NVIDIA Desktop Manager) can cause the GUI to become unresponsive and crash.

A corrupted database is a frequent cause of "System Error" crashes during browsing or searching. Manage mode Tools > Database > Optimize Database

Delete old subdirectories tied to previous years or trial versions you no longer use, leaving only your current version intact. 3. Rebuild the Thumbnail Cache and Database

Sometimes, the issue isn't ACDSee or your computer—it is a single corrupted image or video file. If ACDSee crashes the moment you navigate to a specific folder, it is failing to generate a thumbnail preview for a broken file.

ACDSee builds a massive cache of thumbnails to display your library instantly. Over time, this database ( thumbnails.db ) can become corrupted due to improper shutdowns, drive errors, or simply aging. When ACDSee tries to read a corrupted thumbnail header, it panics and crashes.

Go to Tools > Database > Database Maintenance . Select Optimize or Repair . Follow the on-screen prompts to fix indexing errors.

Try opening an image directly by right-clicking it in Windows Explorer and choosing "Open with ACDSee" If that works, go to Tools > Options > Manage Mode and uncheck "Remember from previous session" . Set your home folder to a known, stable local directory. 2. Optimize or Reset the Database