System Restore in Windows systems allows you to undo system changes by reverting your computer to a previous restore point. Create a Restore Point Before You Clean Up Junk Files If cleaned, your system will have to generate thumbnails again, which can slow things down. However, you don’t need to clean them unless necessary. Thumbnails and thumbnail photos can be considered junk files.

Usually, it contains unwanted installers, images, videos, and other redundant documents that accumulate over time. Downloads folder usually takes a chunk of your storage space. This can often conflict with other programs that you are trying to work with. When you uninstall a program, not all the files associated with the software are deleted.

Windows and third-party software leftovers.

These are junk files whose use is temporary and become redundant once the current task is complete.

Files in the Recycle Bin. Discarded files in your Recycle Bin are likely unnecessary but remain in the folder, sometimes taking gigabytes of storage.

Here are a few common types of junk files. The Different Types of Junk Files in a Windows ComputerĪll kinds of sources can create a junk file on your PC, from the leftover of uninstalled programs to that cute wallpaper you downloaded ages ago but ultimately got bored with.

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