QB Issue Resolution:

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any computer as long as it is connected to the internet can log in

Resolution for Issue 'How can I tranfer qb online from one computer to the other as the older onee is going out on me and OF COURSE its Sunday' available: Yes (Solved).
Source: Intuit Community forum.

How can I tranfer qb online from one computer to the other as the older onee is going out on me and OF COURSE its Sunday: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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