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Is QuickBooks Running Slow? Learn How to Boost Performance

QuickBooks is an advanced accounting software that aims to manage the financial requirements of an organization. However, every coin has two sides. Like other software, QuickBooks is also prone to errors and performance issues. A common issue encountered and reported by various users is QuickBooks running slow.

When this happens, users cannot perform QuickBooks operations, or the speed becomes very slow. Therefore, it is very important to resolve this issue. In this guide, we will explore some proven solutions to try when QuickBooks performs poorly. This will speed up your QuickBooks Desktop.

Why is My QuickBooks Running Slow?

QuickBooks running slow is a technical issue that could certainly be caused by various reasons. It usually happens when your system does not meet the requirements for QuickBooks or you are using an outdated version of QuickBooks. Other reasons could be the system’s lack of internet security or your system RAM hampering the performance. 

Let us take a look at all the reasons why is QuickBooks enterprise running very slowly.

Reasons Why QuickBooks Online Is Running Slow

  • QuickBooks might not have been updated for a while.
  • When your system cannot meet the basic requirements for QuickBooks to run smoothly.
  • Your system is running on low RAM.
  • The QBWUSER.INI file is damaged or missing.
  • It might be due to a corrupted hard drive.
  • QuickBooks Desktop might not be installed properly.
  • The required program files might be missing or damaged.
  • The Windows operating system you are on might be outdated or corrupt.

Why Is QuickBooks Running Slow In Multi-User Mode?

However, the multi-user mode has more factors involved, as in this mode, users work over the network and require a stable internet connection.

  • There might be many users using the same module at the same time.
  • The host computer, which contains the Data File, might work slowly.
  • This might be due to the large size of the data file.
  • The internet connection might be poor or unstable.

How Can I Optimize QuickBooks Performance?

Sometimes, when you try to open the QB application, it says, “QuickBooks is Unable to start” or “QB utility is slow to open.” This issue can result in a decrease in your daily work and fluctuating productivity. In this case, you are wasting your time and efforts. Hence, optimizing QuickBooks performance to work properly with your projects is mandatory.

It is recommended to get it fixed if you find QuickBooks running slow. Read and follow the troubleshooting methods to speed up your desktop application.

Let us walk you through various solutions you can implement when QuickBooks running slow. These methods will help you boost QuickBooks’ performance and speed it up.

1. Update QuickBooks Desktop

Begin with updating the QB software. This will ensure you have the latest components installed and resolve issues caused by bugs and incompatibility. 

Once you have updated your QuickBooks Desktop, proceed to the next step.

2. Check Your System Configuration

There are certain system requirements your computer must fulfill for QuickBooks to function properly. If your computer doesn’t meet these requirements, QuickBooks might run slowly, freeze, or occasionally crash.

Here are the requirements to use QuickBooks on your computer

Update your system configuration
  • The computer should have a minimum of core 2 Duo intel processor 2.4 GHz. Or something that’s better than this.
  • Next, you should have a free disk space of a minimum of 5 GB after installing QB desktop.
  • The minimum RAM requirement of QB is approximately 4 GB.
  • Either your system should have the optical drive or the connectivity to a stable and high-speed internet.
  • The screen resolution of your monitor should not be less than 1280×1024.
  • If you use the Windows US version, it should be one among Windows 11, 10, 7, or 8.1.
  • If you use Windows Server, you should have one of Windows Server 2016, 2012 R2, 2011, or 2008 R2 SP1.

This should resolve it if QuickBooks has been running slow over the network. However, if it doesn’t work, proceed to the next solution.

3. Troubleshoot Company File for Damage

QuickBooks might run slow if the company file has data damage or other issues. Therefore, verify and rebuild the company file to check and fix such damages.

Once you are done, log in to your company file and check if QuickBooks performs well. If you find QuickBooks running extremely slow, let us repair the program.

4. Repair QuickBooks Program

To repair the QuickBooks program, you first need to install the latest version of QuickBooks Tool Hub on your PC.

  • Now, close all QuickBooks windows that are open and launch QB Tool Hub.
  • Go to the tab for Program Problems.
  • Choose QuickBooks Program Diagnostic Tool.

Allow the tool to repair your QuickBooks program for a while. When it is done, open QuickBooks Desktop and check if the performance issue you faced is resolved.

5. Rename The File QBWUSER.ini

The instance of QuickBooks running slow may be due to a damaged or missing QBUSER.ini file. This can be fixed by renaming the file by these steps:

Rename The File QBWUSER.ini
  • Go to the QuickBooks folder.
  • Close all QuickBooks windows.
  • Now, rename the QBWUSER.ini file by right-clicking on it.
  • Add .OLD at the end of the file name. (The new name should become QBWUSER.ini.old)
  • Moreover, rename the EntitlementDataStore.ecml file. Add .OLD at the end of the file name. (The new name should become QBWUSER.ini.old)
  • Now, close all the programs running in the background and reopen QuickBooks Desktop.

If QuickBooks continues to be slow, let us repair its installation.

6. Run QuickBooks Install Diagnostic Tool

If QuickBooks Desktop is slow, let us run the QB Diagnostic Tool. This will repair installation issues and damaged components

QuickBooks Install Diagnostic Tool

If you haven’t already, download the QuickBooks tool hub and install it on your computer.

  • Now, close all open programs, including QuickBooks, and open QB Tool Hub.
  • Go to the tab for Installation Issues.
  • Choose QuickBooks Install Diagnostic Tool.

This will run the QuickBooks Install Diagnostic Tool, which might take a while to repair the damaged components and installation files

  • Once done, restart the PC and launch QuickBooks Desktop.

However, if you find QuickBooks running slow even now, move to the next solution.

7. Use Another Windows Admin User

It might be the case that the windows user might be damaged. You should create a new Windows admin user, login with it and run QuickBooks.

Is QuickBooks running slow even after that? If so, try the next solution.

8. Check the Anti-Virus Settings to Ensure Compatibility

You might come across various anti-virus programs that can hamper the performance and can lead to QuickBooks (2015, 2016, 2017, 2018) running slow. Thus, you should temporarily disable your anti-virus and see if it helps with speeding up QuickBooks on Windows (7, 8, 10, 11).

If you are using any third-party antivirus, follow the information below to resolve the issue.

  • First, press the Windows + R keys together. It will open up the command box.
  • Then, type MSConfig and press the Enter key.
  • Now, you have to reboot the system and check the performance of your application.
  • Once you have completed the testing, repeat the process and open the run box (Windows + R). There, type in MSconfig and press the Enter key.
  • To proceed further, select the standard setup and confirm the step with OK.
  • Finally, you must restart your computer and check whether this troubleshooting method has resolved the QuickBooks Desktop performance issues.

If QuickBooks running slow even now, move to the next solution.

Also Read: A Detailed Guide On How To Protect QuickBooks From Ransomware Attacks.

9. Reset the .TLG file

QuickBooks automatically  creates a  .TLG file with your QB main file. Creating a backup copy of your recent QB company data folder is essential. It will enable QuickBooks to reset the.TLG file that might also help in fixing issues like QuickBooks Desktop slow to open or freezes.

  • Open QB Desktop and go to the File menu. Now, choose Backup company file.
  • After that, select the option to Create Local Backup.
  • Then, click on Options.
  • Now, choose a location for saving the backup created.
  • QuickBooks will now verify the integrity of the backup file and then select OK.
  • In the end, choose Save it Now, followed by Next.

Now check if the QuickBooks running slow now. If you are still facing the slow performance issue, move to the next solution.

10. Verify the Size of the Company File

QuickBooks company file gets larger with passing of time as more data accumulates. Therefore, it is important to condense your company file once or twice in an year. If you find QuickBooks running slow, check the size of the company file and condense it if needed.

  • Open the QB company file folder and then right-click on the company file.
  • Then, you need to choose the “Properties” option.
  • Now, check the size of your file.
  • It should not be more than 150 MB. If it is larger than that, use QuickBooks Condense Data Utility to reduce the size.
use the “QuickBooks Condense Data Utility” to reduce the size

If you are using the QuickBooks Enterprise: The size of your company file should not exceed 1 GB. If it does, you will have to condense the company file.

  • If you find no issue with the size of the company file, choose Close.

11. Perform Disk Defragmentation of a company file

You can perform disk fragmentation to speed up QuickBooks on your computer.


If you haven’t performed disk fragmentation before, do not do it without the assistance of an IT expert. It is risky, and you can lose all your data. 

This step is only for hard disk drive (HDD) users. If you are using a Solid-State Drive, it is not necessary to perform a disk fragmentation process. Moreover, if your hard disk is already split in two or three disk drives, there is no need to perform disk fragmentation.

If you want to perform disk fragmentation, you need to store your company data on the desktop, which will allow you to create and restore a portable company file. Once you have created the portable QB company file, follow the steps below for disk defragmentation.

  • Click on the Start button.
  • Navigate to All Programs > Accessories > System Tools > Disk Defragmentation.
  • Lastly, click on the Defragmentation option.

Follow the instructions displayed on your screen to break your disk drive into partitions.

If you find QuickBooks running slow over the network, here are solutions you can try. This will help you speed up QuickBooks in multi-user mode.

1. Fix The Network

QuickBooks uses an internet connection to communicate to the computer on the network in multi-user mode. Therefore, if you find QuickBooks running slow over network, check your internet connection. If you find that your network bandwidth is not enough for the number of users or the data you work on, consider increasing network bandwidth.

check your internet connection and speed

Also, you can try using QuickBooks in single-user mode and check if you face a problem.

2. Check speed in UNC Path

Let us check the speed in the UNC path.

  • First, press the Windows + E keys on your keyboard simultaneously. It will help you find the server name under the network location field.
  • Once you find it, open it. You will see mapped drives in the following order: X:, Z:, Y:, etc.
  • You must know that the server name that you are looking for has two backslashes (\).
  • Once you get it, make a note of the server name.
  • Afterward, you must put the computer server name and shared folder name as \ServerName\SharedFolderName and note the pathname.
  • Then, open QB and select Open or Restore a Company File.
  • Further, you have to choose the company file and click on Next.
  • In the file name field, you have to fill in the UNC path and press the Enter key.
  • From the list available, choose your company file.
  • Lastly, get back to QB and use some features to verify if the QuickBooks Desktop running slow issue has been fixed.

If you are still facing the same issue, go for the next solution.

Also Read: How to Fix QuickBooks Connection has been lost Error Message.

3. Repairing the corrupted or damaged QB company file

Damaged or corrupt company files might be the reason why you find QuickBooks Desktop running slow in multi-user mode. Therefore, verify and rebuild your company file to check for data damage and resolve it.

Now, try running QuickBooks over the network and check if it works fine.

Need Assistance? Connect to an Expert!

In this blog, we saw reasons for QuickBooks running slow both in single-user mode and multi-user mode. We explore various solutions with detailed instructions on how to fix them. 

However, if you still find the application performing poorly or face a different issue, contact to a QB expert at Asquare Cloud Hosting Helpline Number. Speak to a QB consultant now!

Why is QuickBooks so laggy?

QuickBooks might run slow if the system doesn’t meet the minimum requirements for QuickBooks Desktop or if there are too many tasks running in the background. Another reason could be a large company file.

Why is QuickBooks Online so slow lately

Your QuickBooks Online may run slow if there is slow or poor internet connection or because of the browser data and cache. Therefore, check your network connection, and clear browser’s cache and Intuit specific cookies.

Why is QuickBooks Desktop running so slow?

QuickBooks might run slow if the company file is too large or if the computer has too many tasks running in the background. However, if your computer doesn’t meet the system requirements for running QuickBooks Desktop, such as RAM and ROM, QB might run slow.

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