There could be numerous reasons that could have triggered the Quicken capital one error and the primary one being an intermittent network connection. Capital one download error also occurs when there is some suspicious activity in the capital account or when you try to access the capital one account with the wrong password. You can resolve the problem by using the following fixes.
· Firstly, you should restart the network connection or contact the network provider in case the connection is slow.
· In case the problem is occurring due to an incorrect password, then recovering the forgotten capital one password could be the best option. You will be needing to answer the security questions while resetting the password.
· If you are not able to resolve the capital one error then contacting the Quicken support experts will be the smartest move.