Hi, Thanks for your post and Welcome here in the Community Forum. We apologize for the inconvenience caused to you and we're glad to hear you we're able to look for the solution.
Generally, the error you've received means that AccountRight is having trouble connecting to your company file. This can be caused by internet issues or scanning software on your PC causing interference. You can find more information about this on our Help Article about the error you received, and ensure you give all of the troubleshooting listed there a try.
Feel free to come back to the Community Forum if you have any more questions, we are more than happy to assist.
If my response has answered your enquiry please click "Accept as Solution" to assist other users find this information.
Cheers,
Leneth