Hi,
Follow these methods:
Method 1:
Boot intosafe mode with networkingand see if you can successfully delete the file.
See Advanced startup options (including safe mode) for instructions on booting into safe mode with networking.
Method 2:
If method 1 does not help, reset Internet Explorer settings and delete the file.
Run the “Fix it” from the following article:
How to reset Internet Explorer settings
Disclaimer
Please note that resetting Internet Explorer (IE) settings will reset all user-defined settings including those set by installed extensions, toolbars and other add-ons to IE Defaults. This includes all Security, Privacy and Zone settings. Also this will clear browsing history, delete all temporary Internet Files, cookies, form data and especially all stored passwords.