7 Hidden Windows Caches & How to Clear Them

digitalbulls

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1. Windows 10 Update Cache
For your convenience, Windows keeps a cache of all Windows Updates files, which can come in handy when you need to re-apply an update. The annoying thing is that Windows Updates can take up a lot of space.

2. Windows Store Cache
One of the biggest changes in the Windows user experience was the introduction of the Windows Store and Microsoft’s move to turn all of their software into apps. For many users, this move was a jarring one to say the least.

3. Temp Files Cache
Windows has a system directory that’s dedicated to holding temporary files. Temporary files are usually created as an intermediary while another file is being created or modified, but they can also hold temporary data that’s only needed by a program for a little while.

4. Thumbnail Cache
Windows has a setting that allows for thumbnail previews of files. For example, when enabled, an .MP4 video file will be shown with a frame from the video itself while a .PNG image file will be a preview of what the image looks like.

Thumbnails are great from a usability standpoint, but where do you think those thumbnails come from? Windows has to generate them on demand. When you use File Explorer to browse folders, every time you encounter a file for the first time, Windows has to create a thumbnail for it.

5. System Restore Cache
System Restore is one of the most useful features in Windows. It’s easy to think that you’ll never need it, but it’s amazing how quickly people will flip-flop on that stance when their system malfunctions.

6. Web Browser Cache
Whenever you visit a webpage, your browser adds that page — including the HTML, CSS, JavaScript, and image files — to the browser’s cache. The next time you visit that same page, your browser uses the cached files to load the page faster.

It’s actually more involved than that, but that’s the general gist of it. It’s nice because the cache reduces the amount of bandwidth you use and improves your web browsing experience, but sometimes the cache can cause problems.

7. DNS Cache
When you access a website, your computer is essentially requesting web data from another computer on the Internet — but how does your computer know to contact that specific computer? It uses something called the Domain Name System.
 
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