1. Do the downloads stop completely, or do they slow down?
2. It's probably your Internet connection === slow. Check what the specs are about it.
3. It may be your CPU speed / memory capacity / speed. You can find several programs in
Search for freeware and shareware downloads at SnapFiles.com, but the way you say it... you probably have tried some or most of them.
Something's causing a jam. I don't have any accelerators, but I can have a dozen of downloads running, and they come neatly.
And the basic question: done any changes lately? When did the problem occur?
Best of all,
Titanic / Pauli