The primary cause of QuickBooks Error 15215 is an incorrect setting of Microsoft Internet Explorer (IE). QuickBooks usually double-checks the digital certificates on all files. These steps are taken for all downloaded apps to protect your computer and its contents. The verification may be unfinished or an issue may arise throughout this procedure. This might result in the verification remaining incomplete. It's also possible that no authentication will be carried out at all. The error message is shown as a result of inaccurate or no verification.
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Steps to resolve QuickBooks error 3140
1. Malware attack scan
Malware attack is the most common way, QuickBooks error code 3140 occurs. So, we would recommend to first try and scanning the system for any possible malware attacks and fixing them, for your QuickBooks to work. These malicious programs affect QuickBooks and removing them is the first thing one should try to do.
2. Cleaning the system using Disk Cleanup
Sometimes, storage of unnecessary files and folders. While surfing the internet, many unwanted files and media get stored in the systems which might result in QuickBooks to slow down and not function properly. Getting rid of such files is another effective way to fix QuickBooks error 3140 and for your QuickBooks to work properly.
A highly recommended way of cleaning this junk is to buy using Disk Cleanup. To run this system (For desktop/ PC/ Windows):
Click the START button.
Type “Command” (DO NOT HIT ENTER YET).
Holding CTRL+SHIFT on the keyboard, hit ENTER.
A pop-up Dialogue box would appear, Click YES.
A black box would appear with a blinking cursor, type “cleanmgr” and hit ENTER.
By this, Disk Cleanup would start verifying all the space you could recover by cleaning certain unwanted media.
A Disk Cleanup dialogue box would appear with checkboxes and select the checkboxes you would like to clean.
Hit OK.
3. PC Device Drivers
Regularly updating your PC Device Drivers can help you to fix QB error 3140. DriverDoc updates all the PC Device Drivers and this would help immensely to fix error code 3140.
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Regards, Bruce