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LandKI guides

Clear, expertly tested answers on Windows, IT security, repairs, AI and digitalization - clearly explained and with comprehensible sources.

PC & Windows

Windows PC slow? Check safely and accelerate sensibly

A slow Windows PC often has several causes. These secure check steps help to sensibly classify updates, storage space and autostart - without risky tuning tools.

Published: 03 September 2026
Updated: 03 September 2026
Reading time: approx. 7 Min.

PC & Windows

Restart or shut down your PC: which is better?

When standby is enough, when it makes sense to shut down and why restarting Windows often resolves technical problems more reliably.

Published: 02 August 2026
Updated: 02 August 2026
Reading time: approx. 8 Min.

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