スマホ・アプリSwitch can't connect to Wi-Fi/communication is unstable? 6 causes and solutions you can try right away [including wired connection method]An explanation for beginners of 6 reasons why Nintendo Switch won't connect to Wi-Fi or communication is unstable and how to deal with it. From changing DNS settings, switching frequency bands, improving NAT types, to how to establish a stable connection with a wired LAN adapter.2026.03.048 min佐藤 理香
パソコン・ソフトCan't print with printer/remains offline? 7 causes and solutions you can try now [Windows 11]Explains 7 causes and solutions for troubles where the printer cannot print or appears offline in Windows 11. We will show you how to do it yourself, including turning the power off and on, checking Wi-Fi, restarting the spooler, and reinstalling the driver.2026.03.04中村 健太
スマホ・アプリDid all your apps disappear after updating your iPhone? iOS 26 age limit change may be the cause | 6 ways to restoreAll apps disappeared after updating to iOS 26! The cause may be the automatic change in age restriction rating. We will explain six restoration methods and future preventive measures in an easy-to-understand manner.2026.03.04佐藤 理香
暮らし・家事Is your microwave not working or heating up? 6 causes of failure and criteria for determining repair/replacement [Includes estimated lifespan]There are 6 reasons why a microwave oven won't work or heat up, ranging from power supply problems to deterioration of the magnetron. We will explain how to check it yourself and the criteria for deciding whether repair or replacement is more economical.2026.03.03鈴木 遥
AI・チャットボットClaude cannot be used or does not work due to an error? How to check for failures and 5 countermeasures you can try now [March 2026 version]Explains what to do when Claude cannot be used or does not work due to an error. We will provide an easy-to-understand explanation of how to check the failure on the official status page, five countermeasures for each cause such as browser, network, usage restrictions, and how to switch to an alternative AI service, including an example of the Claude large-scale failure in March 2026.2026.03.03高橋 湊
スマホ・アプリServer disappeared/cannot be viewed on iPhone version of Discord? 5 causes and solutions you can try now [2026 edition]Explaining the causes and solutions for servers suddenly disappearing or becoming unviewable on the iPhone version of Discord. We will introduce five causes and specific solutions, including iOS content restrictions, age restriction server settings, and age verification policy changes in 2026.2026.03.03佐藤 理香
スマホ・アプリWhy can't I listen to radiko? Why do I get an error? 6 causes and solutions you can try now [iPhone/Android/PC]An easy-to-understand explanation of the 6 main reasons why you can't listen to the radiko app or errors occur, and how to deal with it for iPhone, Android, and PC. We will also introduce alternative methods in the event of a failure and how to tell if it's just you or a server failure.2026.03.03佐藤 理香
スマホ・アプリDoes your iPhone move on its own or respond even when you don't touch it? 6 causes of ghost touch and how to deal with it yourselfAn easy-to-understand explanation of 6 causes of ``ghost touch'' that causes your iPhone to move on its own (dirt, film, cracked screen, battery swelling, iOS bugs, charger) and 7 solutions you can try right away. We will also introduce the estimated cost and preventive measures if repairs are required.2026.03.03佐藤 理香
お金・届出Will V points exchange with other companies end at the end of March? Things to do before the migration service ends and recommended ways to use it after it ends [2026 edition]Sumitomo Mitsui Card's V Point transfer service to other companies will end on March 31, 2026. We will explain in an easy-to-understand manner what you need to do before you can no longer exchange your card to nanaco, Yodobashi, Bic Camera, etc., and how to use it afterward.2026.03.03山田 結衣
パソコン・ソフトIs it #N/A even though there is a value in VLOOKUP? 5 reasons why you can't see it and how to solve it with IFERROR/XLOOKUPAn easy-to-understand explanation for Excel beginners of 5 reasons why #N/A appears even though there is a value in VLOOKUP (invisible spaces, mismatched data types, incorrect search method settings, etc.) and how to solve them using IFERROR, IFNA, and XLOOKUP.2026.03.03中村 健太
パソコン・ソフトDid your computer freeze and unsaved data disappear? How to restore unsaved Excel, Word, and Notepad files [Windows 11]Did your computer freeze and your unsaved Excel, Word, and Notepad data disappeared? Explains the restoration procedure using the automatic recovery function for each app. We will also introduce the version history of OneDrive and 5 preventive measures to avoid crying again.2026.03.02中村 健太
パソコン・ソフトAre certain keys not responding on your laptop keyboard? 5 causes and how to deal with it yourself [Windows 11]We will explain in an easy-to-understand manner the 5 reasons why certain keys on a laptop keyboard do not respond (filter key, clogged dirt, driver problem, NumLock, physical failure) and how to deal with each in a Windows 11 environment.2026.03.027 min中村 健太
