The QB error 15201 may be due to an incorrect configuration of Microsoft Internet Explorer (IE). ”
How come the error occur?
When the error occurs to guard your computer as well as its crucial contents, QuickBooks attempts to verify the digital signature on all files which are downloaded through this system. If QuickBooks struggles to verify the digital signature of a file that you will be attempting to download, one of these brilliant errors will occur.

Fix QuickBooks Error 15201

How exactly to fix the QuickBooks Error 15201?
On having encountered the matter, to correct this error, you'll want to download the most recent form of web browser from the Microsoft Download Center.

For the resolution of QuickBooks error 15201, manually download and run the newest QuickBooks update. Once update is performed the error will be resolved.

If the above mentioned solution will not resolve the problem or answr fully your question, you are able to read discussions and post messages and questions associated with your issue on the Intuit QuickBooks Community site introduced by Intuit or you can connect with the QuickBooks Error 15201 support for guidance and error fixation.

There are certain third party file repair companies that may fix this matter instantly.