Knowledge base for software setup, errors, and daily tool work.

Certbot Certificate Renewal Checklist: 8 Steps to Avoid Downtime

You set up automatic renewal with certbot, but one day your browser shows a security warning. The...

BitLocker High CPU Usage Caused by TPM: How to Fix

If your system is running slow and Task Manager shows high CPU usage from the System process or B...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

How to Speed Up Task Scheduler in Windows Server 2019

If you manage Windows Server 2019 and notice that Task Scheduler is slow to open, tasks are delay...

Microsoft Store Setup Configuration Checklist

After a fresh Windows install or a system reset, the Microsoft Store often needs a few configurat...

Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian

You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...