Microsoft CPB Core Performance Boost Issue

First reported on r/techsupport on June 26, 2026.

Users are experiencing issues with their computers crashing when enabling the Core Performance Boost feature in the BIOS. The problem is causing frustration for those who rely on their computers for work or personal use.

What it looks like

• Computer crashing when enabling CPB
• CPB causing computer crashes

How to fix it

1. Enter the BIOS settings during startup.
2. Disable the Core Performance Boost (CPB) feature.
3. Save the changes and exit the BIOS settings.
4. Restart your computer to test if the issue is resolved.

Affected products

• Microsoft Windows

Sources

• Games and Windows crash when CPB (Core Performance Boost) is enabled. 100% stable when disabled. PC is only 7 months old. — reddit:r/techsupport

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Search terms covered: microsoft cpb issue, cpb causing computer crashes