Bug #59447 error come as Attempted to read or write protected memory.
Submitted: 12 Jan 2011 14:54 Modified: 12 Feb 2011 16:49
Reporter: Balanna Nadikude Email Updates:
Status: No Feedback Impact on me:
None 
Category:MySQL Workbench: SQL Editor Severity:S3 (Non-critical)
Version: OS:Windows (windows XP)
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: