暮らし・家事Can't get rid of the black mold on the bathroom door rail/packing? Cleaning methods for different types of dirt and 5 habits to prevent recurrenceWe explain how to remove black mold, white crunchy dirt, and pink dirt from bathroom door rails and rubber gaskets by dirt type. We will also introduce the chlorine bleach compress method, citric acid pack procedure, and 5 preventive measures to prevent mold from growing again.2026.03.02鈴木 遥
仕事・副業Can I see through/disappear in Zoom's virtual background? 5 causes and solutions you can try nowExplains 5 reasons why you can be seen or disappear in Zoom's virtual background (lighting, color of clothes, PC performance, etc.) and solutions you can try right away. We'll also introduce tips on how to make it compatible with smartphones and look great even without a green screen.2026.03.02山田 結衣
お金・届出Can't send tax return using e-Tax? Causes of each error code and solutions you can try now [2026 edition]When I press the send button for my final tax return using e-Tax, I get an error... We have summarized the causes and solutions for each pattern in an easy-to-understand manner, such as My Number Card reading errors, Mynaportal link failures, and error codes when sending.2026.03.02山田 結衣
AI・チャットボットEven if you ask AI, will it only give you a weak answer? Correct usage of ChatGPT, Perplexity, and Gemini in research [2026 edition]Explains the reason why only "weak answers" are returned even when searching with ChatGPT, Perplexity, and Gemini, and the correct use for each purpose. Perplexity for searches with citations, ChatGPT for deep digging and writing, and Gemini for Google collaboration. We will also introduce the limitations of the free version and tips for improving the quality of answers.2026.03.02高橋 湊
WebサービスIs WBC 2026 only available on Netflix? Summary of how to watch without losing money from registration to cancellation [Netflix for the first time]The 2026 WBC will be exclusively distributed on Netflix. For those using Netflix for the first time, we will explain every step of the way, from choosing a price plan, registering, watching TV, and canceling your subscription.2026.03.02佐藤 理香
AI・チャットボットHow far can you use the free version of ChatGPT/Claude/Gemini? A thorough comparison of the number limits and functional differences of the three major AI chats [March 2026 version]Which free version of ChatGPT, Claude, or Gemini is the most usable? A thorough comparison of the differences in usage limits, usable models, and functions using the latest information as of March 2026. We will also show you how to make full use of AI without paying.2026.03.01高橋 湊
パソコン・ソフトMouse cursor moves but you can't click? 6 causes and solutions you can try now [Windows 11]We will explain in an easy-to-understand manner the six reasons why the mouse cursor moves but clicks do not respond in Windows 11 (Explorer freezes, driver problems, click lock settings, control software interference, poor USB connection, corrupted system files) and possible solutions, including emergency workarounds that allow you to operate using only the keyboard.2026.03.01中村 健太
仕事・副業Can't change name on Zoom? How to change the display name before a meeting, during a meeting, and by smartphone, and 5 reasons why you can't change itAn easy-to-understand explanation of how to change the display name in a Zoom meeting before the meeting, during the meeting, on a PC, and on a smartphone. We have summarized 5 reasons why "Rename" cannot be pressed or is grayed out, solutions, and management methods on the host side.2026.03.01山田 結衣
暮らし・家事Can't get the white stains off your electric kettle? Cleaning methods and preventive measures using citric acid, baking soda, and vinegarExplaining the true nature of the white rough dirt stuck to the inside of an electric kettle and the correct use of citric acid, baking soda, and vinegar. We'll introduce you to basic cleaning procedures that can be set up in 5 minutes, what to do when stubborn water stains won't come off, and preventive measures you can take on a daily basis.2026.03.01鈴木 遥
スマホ・アプリIs the malware “Keenadu” mixed into cheap Android tablets? How to check the target model and what to do now [2026 edition]An issue where low-cost Android tablets were infected with the malware ``Keenadu'' from the factory. An easy-to-understand explanation of the list of target models (ALLDOCUBE, Headwolf, etc.), how to check for infection, why it won't disappear after initialization, and the correct solution.2026.03.01佐藤 理香
スマホ・アプリIs your smartphone charging port broken? 6 causes of not being able to charge/poor contact and how to deal with it yourself [iPhone/Android]Introducing 6 reasons why your smartphone's charging port (USB terminal) may be broken and not be able to charge or have poor contact, as well as solutions you can try on your own before sending it in for repair. We will explain everything from dust cleaning to first aid with wireless charging, and repair costs for iPhone and Android.2026.03.01佐藤 理香
AI・チャットボットWas ChatGPT's answer wrong? Why AI tells "plausible lies" and 5 tips to get the right answerHave you ever had the wrong answer on ChatGPT or Gemini? We will explain in an easy-to-understand manner the cause of ``hallucination,'' where AI plausibly generates information that is different from the facts, and the tips for using five prompts to elicit the correct answer.2026.03.01高橋 湊