Windows defender offline cannot format usb

Different causes need different solutions. Have a check at your flash drive at first, if there is a physical lock switch on the side, you can slide the switch to the unlock area.

Then, connect it to your computer, and you can format it in your need. Close Regedit and restart your computer. Connect your USB drive again and you should be able to format it successfully. Then execute the below commands in turn:. This flash drive format toll can provide you many powerful functions like format partition.

Besides, when Windows 10 cannot format flash drive to FAT32 for its big capacity surpassing 32GB , this software is also very useful since it breaks out this limitation and is able to format a large hard drive such as 2TB to FAT Before you format, please backup any necessary files in advance because all data will be deleted.

Download, install and run it on your Windows PC. After that, it will go back to the main interface. Of course, the more data on your flash drive, the more time the formatting will take. When Windows cannot format flash drive as normal, you can follow these simple steps. Solve it Easily Now!

And this issue may happen as a result of following reasons: 1. The USB flash drive is infected by virus and malware; 2. The flash drive has some bad sectors; 3. Step 1. Step 2. Step 3. Then you can see all partitions and disks on your computers. All listed with numbers. Step 4. Here we select disk 1. Step 7. Besides, it supports checking bad sectors for local and USB drive as well.

Now download the freeware and install it. If not, then read on. Also see the related links in that link and in those other links for additional information. To be honest, this probably won't help much and I'd skip it and move on and return only if all else fails to see if it adds anything of value before replying back here.

Remember that not every computer can boot to a USB drive. Are you absolutely positive that you BIOS permits this on those computers? If the above doesn't help, see if you can create a Windows Defender Offline CD instead of a USB and see if that works as far as formatting and creating goes and then confirm that it actually works doing the boot and the scan. If so, then we've narrowed down the issue to involving USB drives and not the entire Windows Defender Offline program and process - and this information will help narrow down the potential issues considerably.

The tutorial above describes this process as well in a different step. I hope this helps. If not, let us know what happened or didn't happen so we can narrow down alternatives to consider.