A Quick And Easy Guide To Resolve QuickBooks Error 40001
                      Actions You Must Take To Counter 
QuickBooks Error 40001
QuickBooks and all the applications on your PC require a healthy internet connection to run 
smoothly and provide efficient results. The security software shows abnormal behaviour and can 
crash due to a lapse in the internet connection while running its tasks. QuickBooks Error 40001 
on your screen signifies that there are issues in the connection to the servers. If your QBDT also 
suffers from this connectivity issue, keep reading this blog further to go through its causes and 
actions you can take to kick it out of your system.
Use the troubleshooting advice of QB experts available at 1-855-856-
0042 to terminate this error quickly.

Reasons
After this error strikes, QuickBooks creates problems while performing any accounting task involving 
the internet. The following circumstances on your PC lead to network connectivity problems-
• Third-party incompatible web browsers selected as the default or junk files in the software can 
break the connection to the servers.
• Internet speed lower than QuickBooks requirements can lead to data damage during download or 
lapses in the connection.
• Misconfiguration of the TLS settings in your Windows can also hinder the internet connection.
Solutions
QuickBooks will face trouble connecting to the servers and fails to function correctly after getting 
affected by this connection error. Here are some relevant ways to remove the problem from your 
system-
Solution 1- Check your network connection’s internet speed
Internet speed is an essential requirement of all the applications that perform online tasks. 
QuickBooks also requires a 3Mbps average and 1.5Mbps minimum speed in order to function 
properly. If your network connection isn’t able to provide that, you’ll face problems while 
downloading payroll/software updates, sending emails, paying employee salaries, etc. The files you 
download on your QuickBooks might also get damaged during the download and fail to run in the 
software. You can the internet speed using these steps-
• Open a web browser, then navigate to the Google homepage.
• Type ‘Internet speed test’ in the results and hit Google Search.
• Launch the tool using the first link and click Start to run the test.
• Wait until it completes and check if the internet speed suits QuickBooks.
If your network connection lacks the desired internet speed, add new hardware like a modem or OFC 
cables to improve the speed or change your service provider.
In case the internet speed is satisfactory, jump to the next solution.
Solution 2- Configure web browser settings in Windows 
The web browser also plays a major role in performing QB tasks and helps it integrate with web 
services. You can face trouble if the web browser isn’t compatible with QuickBooks or has 
accumulated many junk files, which you can remove from the browsing history menu. Use the 
steps below to resolve the issue-
• Open the control panel (Gear icon in the Windows start menu) on your device and click 
Apps.
• Choose Default Apps on the left panel and select a web browser.
• Select Microsoft Edge or Internet Explorer in the drop-down list.
Conclusion
This blog explains why your online accounting tasks fail due to QuickBooks Error 40001 developing 
randomly while using the software. We also included some practical approaches in the blog, which 
we hope you’ll use to get rid of the network connectivity issues.
Get all your queries resolved by a QB expert by giving a call at 1-
855-856-0042.