How to get rid of useless junk files with the suffix dii

Cleaned up with Windows Optimizer, I used it for half a year and felt good.

It should be a dll, this is a dynamic link file. Generally useful. Software, system boot are useful. If you think it's useless, delete it directly.

Here's how to clear the C drive junk:

1.Open My Computer, select "C drive", right-click, and select "Properties".

2.In the properties page, you can see the disk usage, and click "Disk Cleanup".

3.At this point, you need to wait for a while while the computer is calculating the size of the file that can be cleaned up.

4.After the calculation is completed, you can check the files you no longer need and click "OK".

5.Wait for a while, and the computer will automatically wipe out these useless system files.

6.This completes the cleaning of the C drive garbage.

You can use the following methods to clear it:

1. Disk Cleanup: Method: Right-click the disk, click Properties, and then select Disk Cleanup.

3. Delete patches: The hidden files under the windows folder of the system disk start with $nt are patch files.

4. Uninstall or move the app.

6. Antivirus. 7. Change the virtual memory settings.

8. If you feel that the C drive is small, you can also use third-party software to move the C drive.

Use the disk cleaner provided by your operating system. Right-click on the C drive and select Properties, there is a button for the Disk Cleanup Tool, which can roughly clear temporary files and **site files.

Using third-party cleanup software, such as various guards, various cleaners, will usually have better results than the tools that come with the system.

For Windows systems, regular system reinstallation is a good way to solve various system problems, and your problem is no exception.

If the files in the C disk are not clear about the purpose, it is recommended not to del, and the software upstairs still has a role in del precipitation files.

With 360Use Kingsoft Cleanup Expert to clean up automatically.

You can use Kaka Internet Assistant or Super Bunny.

I'm also using this to clean up junk files from my computer.

The guy above Shang: That's right.

A C: Windows Driver Cache I386 This folder is the driver backup If all the drivers are installed, you can delete them, which can save about 30MB of space.

Two: There are a lot of names under the windows folder that start with $ and end with $, like garbled folders (some systems are hidden. Show the method of Tools Folder Option Show All Folders), which is the meal installation file left by fixing the system vulnerability with some software that can be deleted .

Don't delete the others, because it may affect the stability of the system, and it doesn't take up much space, so it is recommended to install the software on other disks.

You can also go to some forums to find out how to use the system.

1.With 360 security guards, there is a function to clean up garbage.

2.Install Master Lu, there is also a one-click cleanup.

The above two have been repeatedly verified to be relatively safe and thoroughly cleaned.

It's good to use 360 which has to clean up the system junk files.

Reworked System Optimizer ......

Right-click on Properties to clear the garbage.

Windows Optimizer can delete most junk files: click "Junk File Cleanup", then click "File Types", select all the types in the list box, you can also add some new junk file types, perform "Scan", and delete them all. As for whether the folder is garbage or not, only you know, and there are generally two types that can be deleted:

The folder you created is useless, and the folder left behind after uninstalling the program. Note that empty folders are useless, and folders reserved by the system and created by the installer (which has not been uninstalled) cannot be deleted.

You can use Optimizer.

And Super Bunny.

Install a Yahoo assistant.