Windows 10: C:\Users\IanDaBest\AppData\Local\Microsoft\Windows\Explorer taking up too much storage

C:\Users\IanDaBest\AppData\Local\Microsoft\Windows\Explorer is taking up 290MB which i need can I delete it?

:)

 

Windows Explorer Has Stopped Working

Files that help describe the problem:
C:\Users\Austin\AppData\Local\Temp\WERCF7.tmp.WERInternalMetadata.xml
C:\Users\Austin\AppData\Local\Temp\WER2622.tmp.appcompat.txt
C:\Users\Austin\AppData\Local\Temp\WER2633.tmp.mdmp

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C:\Windows\system32\en-US\erofflps.txt

 

Changing C:\Users\(myusername)\AppData\Local to another folder

I changed my old username to . Now I want programs to use C:\Users\\AppData\Local instead of C:\Users\(myoldusername)\AppData\Local

 

Changing C:\Users\(myusername)\AppData\Local to another folder

Hello

I'd like to change C:\Users\(myoldusername)\AppData\Local to another folder (C:\Users\\AppData\Local). How do I proceed?