It is some time annoying that there is a file that you cannot delete ,but today I will show you how to do it.
1: Find the undeletable files address like “C:\windows\system32\blahblah.exe”
2: Click Start then Run. In it type cmd.exe
3: Now open task manager Click on the Processes tab, click on the process named Explorer.exe and click on End Process and minimize the task manager.
4: Now go to Command Prompt and type the following command “DEL C:\windows\system32\blahblah.exe”
5: Now click on task manager and in new take type “EXPLORER.EXE”
Now you must have successfully deleted an undeletable file.