Re: Paying a credit card from a personal account
If the payment was made from a personal bank account, then bring up the credit card credit and change the account from the checking account to Owner equity investment (IF the company is taxed as a sole proprietor or partnership)
Then the checking account will be able to be reconciled
Journal entries (as suggested in another post) should be the exception when using QB, they often do not work as you think they should, and when you use inventory type items they never work for inventory. It is much better to use the forms on the home page the way QB is designed to be used. Journal entries also bypass accrual/cash reporting, and will not show on many reports.