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What is the purpose of:


How to open it.

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2 Answers 2

The file contains the journal of the HKEY_LOCAL_MACHINE\Software hive. If the machine crashes while in the middle of updating a registry key in that hive, the .log file is used to recover the registry. I would recommend not messing with the file unless you know what you are doing.

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It is part of your Registry, you cannot open it directly

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