This typically happens when there is a windows updates that puts the A2D2 software in remote viewing mode.
To put the software back into acquisition mode do the following:
1. Close the A2D2 Software
2. Hold down the shift key on your keyboard
3. While shift is pressed open the A2D2 software
4. A dialogue box should appear asking you if you want acquisition mode
5. Select Yes
6. Your software should now be in acquisition mode.
This section is for A2D2 Software Error Codes and general troubelshooting. (It will be continually updated)