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
仕事・副業Misposted on Slack! What was meant to be a thread turned into a channel... Do I still get a notification even if I delete it?I accidentally posted what was meant to be a thread on Slack to a channel... Can I cancel push notifications even if I delete the message? We'll cover careless mistakes in business chats, including how to use the "remove from channel" feature and 5 ways to prevent accidental posts.2026.02.18山田 結衣
WebサービスDid your Netflix plan change without permission? How to check for unauthorized login and what to do immediatelyNetflix was changed to a premium plan without permission - cases of unauthorized logins are rapidly increasing. We've compiled a list of countermeasures and preventive measures you should take right now, from how to confirm your account to changing your password, logging out of all devices, and requesting a refund.2026.02.18佐藤 理香
スマホ・アプリAll my drafts on X (Twitter) disappeared after changing the model! Thorough explanation of causes and countermeasuresAll my drafts on X (Twitter) disappeared when I changed my smartphone model! Explains the reasons why it disappears, how to back it up, and how to use scheduled posts.2026.02.157 min佐藤 理香
仕事・副業How to reconfigure Teams and Authenticator after changing iPhone models [Complete Guide]Can't log in to Teams after changing iPhone model! We will explain step-by-step how to migrate and reconfigure Authenticator.2026.02.157 min山田 結衣
暮らし・家事Baking soda and citric acid for cleaning drains | Order of addition and what to do if bubbles don't come outThe correct order to use baking soda and citric acid when cleaning drains is "baking soda first, then citric acid." We will also explain the reasons why bubbles do not appear and how to deal with them.2026.02.15鈴木 遥
WebサービスWhat happens to YouTube Premium student discount after graduation? Summary of update conditions and switching methodWhat happens to YouTube Premium student discount after graduation? We will explain in an easy-to-understand manner how the rate automatically changes to the regular rate, and the procedures for canceling and changing plans.2026.02.15佐藤 理香
スマホ・アプリHow to change iPhone charging sound to your favorite sound | Easy setting with shortcut appExplaining how to change your iPhone's charging sound to your favorite sound using the Shortcuts app. You can set your own charging sound, such as a voice of encouragement or sound effects.2026.02.15佐藤 理香
