I've download the recommended version of forge and dragged onto my desktop. However, when I double click it, it does nothing except create a notepad with the exact text displayed in the spoiler below.

Spoiler

JVM info: Oracle Corporation - 1.8.0_291 - 25.291-b10
java.net.preferIPv4Stack=true
Found java version 1.8.0_291
Exception in thread "main" 
java.lang.RuntimeException: javax.imageio.IIOException: Can't create cache file!
    at net.minecraftforge.installer.InstallerPanel.getImage(InstallerPanel.java:151)
    at net.minecraftforge.installer.InstallerPanel.<init>(InstallerPanel.java:167)
    at net.minecraftforge.installer.SimpleInstaller.launchGui(SimpleInstaller.java:169)
    at net.minecraftforge.installer.SimpleInstaller.main(SimpleInstaller.java:143)
Caused by: javax.imageio.IIOException: Can't create cache file!
    at javax.imageio.ImageIO.createImageInputStream(Unknown Source)
    at javax.imageio.ImageIO.read(Unknown Source)
    at net.minecraftforge.installer.InstallerPanel.getImage(InstallerPanel.java:146)
    ... 3 more
Caused by: java.nio.file.AccessDeniedException: C:\Users\liuet\AppData\Local\Temp\imageio7319253773706227333.tmp
    at sun.nio.fs.WindowsException.translateToIOException(Unknown Source)
    at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
    at sun.nio.fs.WindowsException.rethrowAsIOException(Unknown Source)
    at sun.nio.fs.WindowsFileSystemProvider.newByteChannel(Unknown Source)
    at java.nio.file.Files.newByteChannel(Unknown Source)
    at java.nio.file.Files.createFile(Unknown Source)
    at java.nio.file.TempFileHelper.create(Unknown Source)
    at java.nio.file.TempFileHelper.createTempFile(Unknown Source)
    at java.nio.file.Files.createTempFile(Unknown Source)
    at javax.imageio.stream.FileCacheImageInputStream.<init>(Unknown Source)
    at com.sun.imageio.spi.InputStreamImageInputStreamSpi.createInputStreamInstance(Unknown Source)
    ... 6 more
 

I've tried using jarfix and i've also reinstalled java. 

Feel free to ask any questions to help resolve this issue.

Thanks

I tried to disable my antivirus on windows 10, but it didn't do anything. the same notepad is being made over and over again each time i move it to my recycling bin. Is there anything else I need to do?

Umm. How do I clear temporary files?

 

OMG it worked. Thank you. you are the best

how do you clear temp files?