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2-Port Professional USB 2.0 to Serial Converter w/ RX/TX Status LED
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Vista UD512
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APLINK Z-TEK USB 2.0 to Serial RS232 Pro Converter DB-9 Adapter Cable Compatible with Win 10 : Amazon.in: Computers & Accessories
UGREEN USB 2.0 to RS232 DB9 Serial Cable Male A Converter Adapter with PL2303 Chipset for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 and Above (3ft) : Amazon.in: Computers & Accessories
HOW TO FIX THE USB-FTDI PROBLEM
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Cannot upload - have read "troubleshoot guide" and done "loopback test" - Installation & Troubleshooting - Arduino Forum