Please scan the computer for infections using the links mentioned below.
In which the forum would advice you to hide hidden files and hide protected OS files:Ĥ) Check if you have restrictions for using USB in the registry:
USB Portable Hard Drive | Location Not Available | Access Denied | Windows 8Ī couple of weeks ago, my portable hard drive stopped working on my Windows 8 machine and kept displaying this message of ‘Unknown Device’, ‘Location Not Available’ and ‘Access Denied’ which is strange considering it was still picking up that there was a Seagate drive of some sort being connected.