Encountering QuickBooks error code 1638 indicates that you already have QBDT installed on your computer and are trying to install it again. You just need to locate your QB version and open it. This appears on the screen with a message saying: Another version of this product is already installed.
To deal with this problem, we have given you a lot of information in this blog. Like if we talk about reasons, then a virus infection, wrong firewall settings, and use of a damaged installation source can be considered to be the main causes behind it. Let's take a long walk inside this blog to get more information about the problem.
If you are suffering from QuickBooks error code 1638, you must connect with our QB experts for their guidance. Give a call to 1-855-888-3080 and talk to them via phone.
Common Causes You Should Know Behind QB Error 1638
A bunch of factors can be responsible for causing QuickBooks error 1638.
- It might be due to a virus or malware infection.
- One reason behind this can be a damage source from which you have installed the application.
- It can be due to restrictive firewall settings that are blocking QB's installation.
- It can also happen if you have not properly followed the installation guidelines.
Steps To Execute When Troubled by QuickBooks Error Code 1638
If you have read the reasons section carefully, then it would be very easy for you to resolve this. Let's explore this part of the blog and implement each solution accordingly.
1. Update your Operating System
For Windows OS:
- Go to the Start menu.
- Choose Settings.
- Click on Update & Security.
- Now, select the Windows Update option.
- Click on Check for Windows Updates.
For MacOS:
- Open the Apple menu.
- Go to System Preferences.
- Choose Software Update and download and install the available updates.
- Lastly, restart your computer.
2. Install QB Selective Startup Mode
- Launch the Start menu.
- Type MSConfig.
- Press Enter, then right-click it and select Run as Administrator.
- Hover over the General tab.
- Choose a Selective Startup.
- Untick the box that says Load Startup Items.
- Move to the Services tab.
- Choose the Hide all Microsoft Services checkbox.
- Click on Disable all.
- Select Apply, followed by OK.
- After this, you need to restart your computer.
- Now, install the QB application and switch it to Normal Startup Mode. See how:
- Open the Run window.
- Search for msconfig and right-click on it to choose Run as Administrator.
- Choose a Normal Startup.
- Tap Apply, followed by OK.
- Reboot your computer.
Recommended to read: What is error code 19062 00238 in QuickBooks desktop?
3. Utilize QB Install Diagnostic Tool
- First, open the QB Tool Hub.
- Then, tap on the option that says Installation Issues.
- Now, you are required to choose the QuickBooks Install Diagnostic Tool.
- The tool will take some time to repair the installation issues.
- When the repair is done, restart your computer and install the application again.
Final Thoughts
The information provided in the blog should be enough for you to eliminate QuickBooks error code 1638. We have included many sections in the post, including sections on causes and solutions. If you are still unable to solve it, consider consulting a professional for their guidance. Dial 1-855-888-3080 to connect.
You may also read: Troubled by QuickBooks Error Code 1327? Here are Some Fixes