Windows 11: A system file can consume up to 500 GB of disk space

A bug in Windows 11 causes the CapabilityAccessManager.db-wal file to balloon in size.

Published 1sem2 sources✓ Confirmedupdated 1sem

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The fact

This system file, related to app permissions, sometimes reaches 500 GB for no clear reason.

Microsoft has yet to release an official fix for this issue reported by users.

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Auto-synthesis from 2 media sources · identified on July 6, 2026