Troubleshooting the ADD-4 System

New PC has no serial port.  Is there a USB solution?

Will ADD4PC run in Windows 7?

Cannot collect ADD-4 data - "no transactions to download"

Copier does not require use of the control system to make copies

Copier control system will not enable copier

Copier control system enables copier, but will not count copies

Keyswitch makes "buzzing" noise

ADD-4 displays "user does not exist", "client does not exist"

ADD-4 data collection does not go to 100% - "operation timed out" message

I changed copiers and now can't connect to my new copier  

"DAT File too large"

"Run Time Error 429", "Run Time Error 339"

No results when generating reports from ADD4PC Data Collection software