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Windows diagnostics & controlled repair

ISG Doctor

ISG Doctor puts the Windows checks I use most often in one place. It scans first without changing the machine, explains what it found, and keeps repair actions separate until the user confirms them.

v1.0.3 · StableWindows 10 / 11Released 09 July 2026Free · Open source

Capabilities

What I use ISG Doctor for.

01

Windows, disk, performance, security, network, device and battery checks

02

Health score and evidence-led findings

03

Separate, confirmed repair actions

04

HTML scan and battery reports

Design choices

The thinking behind the tool.

Inspect first

A scan gathers evidence without changing the machine.

Explain the action

Repairs describe their effect before execution.

Leave a record

Reports make findings easier to review and hand off.

Get ISG Doctor

Try it, read the code, or report an issue.

The latest release, documentation, and open issues are all in the repository.