Mata hambawuna USB Pendrive case walata good answer ekak. Virus gihin Write protect wela wagenam menna meka dala balanna. Pen eka elata format wela okkoma ain karanawa,,,mata meka net eken hamba wune,,http://www.apacer.com/en/support/downloads/Repair_v2.9.1.1.zip
Oka download karala USB ekata pen eka gahala run karala balanna,,,
Thank to Itsara
Please follow his recommened
1)
Use this Tools to repair from Link below :
http://www.apacer.com/en/support/downloads/Repair_v2.9.1.1.zip
2)Download Smart Virus Remover,you can find link form google
Install it and Disable write protect from this software
I follow 2 step and it work
I use DataTravler 4GB/Kington
It's your own risk on my recommend