A: Not officially, but you can use a PowerShell script that fetches a new titlekeys.txt from a live source every time you launch USB Helper. Search GitHub for "USB-Helper-Auto-Key-Updater".
If you insist on the old USB Helper with an "upd" patch:
Locate a Title Key Example (for a specific game): title keys for wii u usb helper upd
Title ID: 0005000010145000
Title Key: D72D7A7D502E093C7E8A731E3980FA10
Open USB Helper and go to:
Restart USB Helper and try downloading the game/update again. A: Not officially, but you can use a
Old USB Helper (v0.6.1.600) is dead. Use a maintained fork:
The term “Upd” in this context refers to two things: If you insist on the old USB Helper with an "upd" patch:
Over the last few years, the original Wii U USB Helper’s automatic key retrieval has broken due to server deprecation. The application points to a now-defunct URL. Therefore, performing a manual “upd” (update) of the title keys has become necessary.
We are walking a fine line here. Title keys are technically copyrighted. However, under the Lenz v. Universal and DMCA exemptions for archival, there is a gray area:
Wii U USB Helper is a tool for archival. The method described above is for repairing the tool’s functionality for legal backups. Always dump your own console keys using dumpling or FTP if you want to be 100% legal.