Apps & runtime · medium

How to fixSTEAM-CONTENT-FILE-LOCKED

Steam: content file locked

What this error means

Steam: content file locked ranks as a medium-severity software runtime issue in our database. Steam cannot update a game and reports 'An error occurred while updating [Game] (content file locked)'. See the troubleshooting steps below for the fix.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Add Steam and its library folder to antivirus exclusions

Add Steam and its library folder to antivirus exclusions.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Run Steam as administrator

Run Steam as administrator.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Move library to a drive with sufficient free space

Move library to a drive with sufficient free space.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Antivirus or Windows Defender holding file locks
  • Game files in a write-protected folder
  • Steam library on a full disk