IObit Unlocker is an ideal tool for such conditions. It is a freeware folder unlocking application that's straightforward and well-designed.
Here are some screenshots to illustrate the features and user interface of this application:
Remove any file you want without Windows restricting you for no apparent reasons by simply unlocking the desired files. Screenshot of IObit Unlocker - 566px · 300pxUnlock one or more files at a time. Screenshot of IObit Unlocker - 574px · 299pxUse a regular or forced mode. Screenshot of IObit Unlocker - 646px · 399pxRemove restrictions when you delete files. Screenshot of IObit Unlocker - 646px · 399px
BulkFileChanger
Advanced Renamer Portable
Directory Monitor
ViceVersa PRO
Attribute Changer