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The CapabilityAccessManager.db-wal file is installed on Windows 11 computers by default, and is associated with app permissions. Many users have had issues with this file over the past few months, with one person saying the file Took 500GB to store on their devices. Others have reported the file growing to similarly large amounts, ranging from 12 GB to 200 GB.
Microsoft doesn’t explain what went wrong here, however Latest Windows He says the file may be growing because Windows 11 “continues to record recurring events for access requests or other privacy controls, such as location.”
If you’re affected by this issue, you can install the update now by heading to the Settings menu, clicking Windows Update > Advanced options, then choosing Check for optional updates. From there, you can select and install the June 2026 update.
