4 Steps to Troubleshoot QuickBooks Running Slow: DIY

Posted by Alastor Moody
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May 30, 2025
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When attempting to access QuickBooks Online, clients frequently encounter the issue of QuickBooks Running Slowly. It takes multiple tries to see the webpage because of browser problems, sluggish computer performance, slow internet speed, cookies, plugins, and other variables. 


You are spending time waiting for QuickBooks Online to load and are unable to pay for attendance. Therefore, knowing how to fix QuickBooks, which is operating slowly, is essential. Although QuickBooks is a well-known application for accounting and finance, users often encounter problems such as QuickBooks Running Slow


You won't have issues with QuickBooks Desktop Running slowly if your computer can meet the system requirements, which are supported by the majority of users like you. 

RAM or internet bandwidth constraints may affect performance. Numerous factors could be responsible for QuickBooks' performance issues. 


In this blog post, we discuss the reasons behind the delayed QuickBooks loading issue as well as potential fixes.


You can fix QuickBooks Desktop and Online's sluggish performance problems with the aid of the fixes listed below. You must, however, get in touch with our knowledgeable assistants at +1(855)-738–0359 for prompt assistance in repairing QuickBooks' functionality if you are unwilling to remedy the mistake on your own.

Leading Factors that are Responsible for Impacting the QB Running Slow

Let's discuss the various reasons that create a hindrance to the speed and efficiency of the QB software.


  • It's possible that QuickBooks hasn't been updated recently

  • When the minimum requirements for QuickBooks to function properly are not met by your system

  • The amount of RAM in your PC is low

  • There is a missing or damaged QBWUSER.INI file

  • A corrupted hard drive could be the cause

  • It's possible that QuickBooks Desktop is not installed correctly

  • The essential application files can be missing or corrupted


Hopefully, you have now got the information about its occurrence reasons, next move further to grab the knowledge about its solutions to rectify QuickBooks performance.

Practical Methods to Perform When QuickBooks is Running Slow in Your System

You won't be able to carry out QB operations without any problems till the slow performance concerns are fixed. 


Therefore, to properly resolve this issue after knowing why it occurs, you must adhere to the troubleshooting steps listed below:

Solution 1: Invest in a new computer

Instead of choosing to save your content on the actual server, make sure you don't store it on any third parties.


  • You should use the chips with the largest capacity in your RAM slots if QuickBooks is taking a long time to open

  • Utilize a machine with 64-bit software and a fast clock speed of 2.2GHz

  • Verify that a solid-state drive is being used


Making a backup of your most recent files resets the TLG file, which aids in repairing QuickBooks performance.


  • Go to the File menu, pick a backup provider, and then click Create Local Backup if QuickBooks is sluggish

  • From the Local Backup tab, select the settings button

  • To store your backup file, choose Desktop

  • After ensuring that all verification has been completed, click the OK button

  • After selecting Save it now, click Next

  • In the Save Backup Copy Window, select Desktop and press the Save button

Solution 2: Make a copy of the QB Company files for backup

Making a backup of your most recent files resets the TLG file, which aids in repairing QuickBooks performance.


  • If QuickBooks is sluggish, pick Create Local Backup from the File menu after choosing a backup provider

  • From the Local Backup tab, select the settings button

  • To store your backup file, choose Desktop

  • After ensuring that all verification has been completed, click the OK button

  • After selecting Save it Now, click Next

  • In the Save Backup Copy Window, select Desktop and press the Save button

Solution 3: Make Sure QBDT is Updated

General application difficulties, such as poor performance, can be readily remedied by updating QB to the current version. Performance may not be at its best if QuickBooks is not updated due to incompatibility. 


To find out how the performance issues are progressing, download and install the most recent QBDT updates, then restart the application. Follow the instructions in the following option to fix the problem if QB is still operating slowly.

Solution 4: Close your antivirus program if QuickBooks is running slowly

Your computer's antiviral software may occasionally interfere with and impede QuickBooks' operation. If QuickBooks is loading slowly, you need to temporarily turn off your computer's antivirus program in the following way:


  • To begin, select the Windows Start tab, look for Windows Security, and launch the application

  • To temporarily stop Real-Time Protection, navigate to the Virus & Threat Protection menu, choose Manage Settings, and then turn it off


Explore more about:- How To Resolve QuickBooks Error H202?

Conclusion

You have undoubtedly improved your QuickBooks performance by now if you have completed all of the solutions in this post. 


Several customers have already found that all of the recommendations in this blog have resolved their slow QuickBooks operating issues, and we continue to update the page with insightful information to make it easier for customers like you to resolve technical problems.


Contact our QB support specialists at +1(855)-738–0359 for additional assistance if you were unable to resolve the problem on your own because of data corruption or damage. We are always there to assist you.

Frequently Asked Questions About QuickBooks Running Slow

Why is QuickBooks running so slow on my computer?

  • QuickBooks may run slowly due to system overload, large company file size, outdated software, insufficient RAM, or interference from background applications.

Does multi-user mode cause QuickBooks to lag?

  • Yes, in multi-user mode, QuickBooks performance can slow down if the server hosting the company file has limited resources or network connectivity issues.

How can I improve QuickBooks speed in multi-user mode?

  • To improve performance, ensure all users have updated software, the server has sufficient memory, and the company file is stored locally on the host computer.

Can a large company file make QuickBooks run slow?

  • Yes, if your company file has grown too large, it can lead to sluggish performance. Condensing the file or archiving data can help resolve the issue.

What system requirements are recommended for smooth QuickBooks performance?

  • Ensure your system meets or exceeds the recommended specifications, including a modern processor, at least 8GB of RAM, and a fast SSD drive for optimal speed.

Why does QuickBooks freeze when switching between modules?

  • QuickBooks may freeze due to low system memory, corrupted preferences, or background processes. Try restarting your computer or running the Quick Fix My Program tool.

Is network speed a factor in QuickBooks slowness?

  • Yes, a weak or unstable network connection can delay file access and syncing, especially in multi-user setups. Use wired connections when possible for stability.

Can antivirus software slow down QuickBooks?

  • Security software may interfere with QuickBooks operations. Adding QuickBooks as an exception in your antivirus or firewall settings can help boost its performance.

Does QuickBooks slow down if it’s not updated?

  • Outdated versions can cause performance issues. Always install the latest updates and patches released by Intuit to keep QuickBooks running efficiently.

How can I speed up QuickBooks Desktop on my server?

  • Free up server resources, close unused applications, and ensure the database server manager is correctly installed and configured to improve QuickBooks server performance.

Should I use SSD storage for better QuickBooks speed?

  • Yes, upgrading to a solid-state drive (SSD) significantly improves loading times and performance, especially when working with large data files in QuickBooks.

Where can I get help if QuickBooks continues to run slowly?

  • If issues persist, you should consult QuickBooks technical support or a certified QuickBooks ProAdvisor who can diagnose and fix complex performance problems.

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