Rather than download videos, YouTube wants its users to develop loyalty to the platform. The longer an individual stays on the YouTube platform, the more ads they see. And these ads bring in revenues for YouTube. This is the primary reason why you can't download videos from YouTube.
Source : https://multimedia.easeus.com/video-download/cant-download-youtube-videos.html
Was this helpful?Click the Chrome menu on the top right hand corner of the browser next to the URL bar (3 dots)Click Settings.Click Downloads on the left sidebar of the Settings page.Do one of the following steps: Click the Change button to set a new default location. ... Close the Settings tab.
Source : https://supportcenter.lexisnexis.com/app/answers/answer_view/a_id/1080612/~/change-the-download-location-in-google-chrome
iPhones can't open greyed files. When an iPhone can't open a specific file type, it greys out the file in your selector, making it unclickable. This will happen if you don't have the right viewing software downloaded to your device. The most common type of greyed-out file on iPhone is a PDF.
Source : https://www.adobe.com/acrobat/hub/why-pdf-files-are-grey-iphone.html
Find the PDF you want to open in your Files and double click to open. Select Adobe Acrobat (or whichever reader you downloaded) from the list of available options. If no list appears or the page opens in another application, you can right-click the file and select Open With to choose your PDF reader.
Source : https://www.adobe.com/acrobat/hub/how-to-read-pdfs-on-pc.html
Sometimes, corrupted system files or bad sectors on Windows system drive may cause hard drives, folders, or files inaccessible. Therefore, fixing corrupted system files and repair bad sectors on the hard drive may help you fix the Downloads folder that won't open error.Jan 4, 2024
Source : https://www.easeus.com/file-recovery/cannot-open-downloads-folder-in-windows-10.html
Review antivirus, firewall, or parental control settings Check the settings for your antivirus, firewall, or parental control software. Make sure software updates aren't blocked from going online. Make sure tools.google.com and dl.google.com aren't blocked.
Source : https://support.google.com/chrome/answer/111996?hl=en