Answer:
It's your Wep key. Re-enter it and make sure its in the first connection slot.
There are 3 step to repair 51101 error
If you got 51101 error then there is a 94% chance that your computer has registry problems. To repair 51101 error you need to follow the steps below:
* Step 1 - Download a Perfect Optimizer,install this error repair tool.
* Step 2 - Click the Repair All Button.It will scan you PC for Free.
* Step 3 - Then click the Repair All Button again and your done! It is very easy to repair 51101 error.
Here are the URL of Perfect Optimizer: http://www.fixerror365.com/tidpp-51101_error-zz0005