If a dongle is physically broken, you use PCAdmin to create a V2R (Vendor to Reseller) file.
Warning: There is no backdoor. LDK does not keep a recovery key for security reasons. Solution: You must restore from a backup of the LDK database taken before the password was lost. If no backup exists, contact LDK Support with proof of ownership (may involve a remote session and an affidavit). ldk pcadmin
If the system cannot see your USB key, run "Diagnostics." This generates a .C2D (Crash to Dump) diagnostic file. You send this to your software vendor, and they can tell you exactly why the key is not working. If a dongle is physically broken, you use