What is meant by Error 15218 in Quickbooks?
                     Methods to Resolve 
QuickBooks QB Error 
5218
What exactly is QuickBooks QB Error 5218?
An incorrect configuration of Microsoft Internet Explorer is what causes 
this critical error. After downloading any data from QuickBooks' official 
website, QuickBooks will verify its integrity using digital certificates. Other 
reasons could include:
● Firewall issues
● File damaged. ND
● QBCF Monitor Services Issue
How to Fix the QUICKBOOK ERROR 152218, In QuickBooks
If QUICKBOOK ERROR 152218 occurs manually download and install the most 
recent QuickBooks update.
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