スマホ・アプリ5 causes of "Unable to connect to iCloud Private Relay from Safari" and solutions you can try now [iPhone/Mac]Explaining 5 causes and solutions when the "Unable to connect to iCloud Private Relay" error occurs in Safari. This can be resolved by reviewing Wi-Fi, VPN, and settings.2026.02.20佐藤 理香
パソコン・ソフトWhy is Excel heavy and frozen? 7 causes and ways to make it lighter that you can try now [Windows]Explains 7 reasons why Excel is heavy or freezes and how to make it lighter. Introducing methods that you can try right away by changing settings in the Windows version of Excel, such as manually switching calculation methods, organizing conditional formatting, optimizing VLOOKUP, and disabling add-ins.2026.02.20中村 健太
暮らし・家事Is your air conditioner heating not working or only giving out lukewarm air? 6 causes and how to deal with it yourselfWe've broken down six reasons why the room doesn't get warm even after you turn on the heater, or why only lukewarm air is coming out. We will explain how to deal with incorrect remote control settings, dirty filters, defrost operation, obstructions to the outdoor unit, wind direction, and refrigerant gas leaks, from those that can be done by yourself to those that require repair.2026.02.20鈴木 遥
仕事・副業Can't hear your voice on Teams? 7 reasons why the microphone is not recognized and solutions you can try nowExplains 7 causes and solutions for troubles where the other party cannot hear your voice or the microphone is not recognized in a Teams meeting. We'll explain everything from Windows privacy settings, incorrect device selection, USB/Bluetooth connection issues, driver issues, cache corruption, and even steps to make a pre-meeting test call in an easy-to-understand manner.2026.02.19山田 結衣
AI・チャットボットYou can make music with Gemini! How to use Lyria 3 and what you can't do | Generate 30 seconds BGM for free [2026 version]Explaining how to use the music generation AI "Lyria 3" installed in Google Gemini. We have summarized how to generate a 30-second song as text for free, and restrictions such as not being able to extend or edit it.2026.02.19高橋 湊
仕事・副業Can't join Zoom/Can't hear the sound? 8 causes and solutions you can try now [2026 edition]Easy-to-understand explanations for troubles such as not being able to enter or participate in Zoom, not being able to hear sound, or not being able to use the microphone, and how to deal with them, both on PC and smartphones. We will also introduce the meaning of error code 5003 and preventive measures before the meeting.2026.02.19山田 結衣
暮らし・家事The drum type washing machine stopped due to an error! Meanings of error codes by manufacturer and what you can do to deal with themExplaining what to do when a drum-type washing machine displays an error code and stops. We have summarized the meanings of common error codes, what you can do to deal with them, and the criteria for deciding whether to repair or replace by major manufacturer: Panasonic, Hitachi, and Sharp.2026.02.19鈴木 遥
WebサービスIs the e-book I bought on Amazon not showing up on my Kindle? 5 causes and how to restore purchased booksExplaining 5 reasons why e-books purchased from Amazon are not displayed on the Kindle app and how to deal with them. We will also introduce the risk of account locking due to repeated cancellation and repurchase, and how to unlock it.2026.02.19佐藤 理香
スマホ・アプリCan't unlock your smartphone after your parent passes away? Correct way to deal with digital belongings and settings to be done before deathAfter a parent passes away, the number of problems such as not being able to unlock a smartphone because one does not know the passcode is rapidly increasing. We will explain how to deactivate iPhone and Android, and the Apple Legacy Contact and Google account deactivation management tools that you should set up before you die.2026.02.19佐藤 理香
WebサービスHas the dark blue color of X (Twitter) disappeared? Reasons for abolishing Dim mode and 3 ways to restore it [February 2026]On February 12, 2026, the dark blue background "Dim" theme was suddenly discontinued from the web version of X (formerly Twitter). The reason for the abolition is "lack of development resources". In this article, we will explain in an easy-to-understand manner how Dim mode disappeared and three ways to restore the original dark blue color using Chrome extensions.2026.02.19佐藤 理香
スマホ・アプリCan't save videos on LINE? 5 causes and what to do when the storage period has expired [iPhone/Android]Explains the causes and solutions when videos received on LINE cannot be saved. Introducing solutions for five causes, including expired retention period, insufficient storage, and permission settings. Alternative methods after LINE Keep ends and how to use LYP Premium.2026.02.19佐藤 理香
パソコン・ソフトWindows 11 KB5077181 does not stop restarting? Causes of boot loops and immediate remedies [February 2026]A boot loop that does not stop restarting is occurring with Windows Update ``KB5077181'' in February 2026. We will explain in an easy-to-understand way the recovery procedure, causes, and security precautions from an unbootable state.2026.02.18中村 健太
