Before we begin with the causes and solutions for QuickBooks error 1638, let’s learn more about this error.
It appears when the user installs a different version of QuickBooks on the same computer where QB is already installed. An error message usually appears on their screen:
| “An older version of this application is already installed on your device.” |
Let us look at what leads to this error and how to resolve it.
Factors Leading to Error Code 1638 in QuickBooks Desktop
However, multiple reasons exist for this error when working on QuickBooks and encountering error 1638.
- Despite having a QB version, users try to install another version of QuickBooks.
- Malware and virus files are in the system.
- The QB Desktop is not correctly installed in the system.
- While installing the files, the source was damaged or corrupted.
- Moreover, the Firewall settings are blocking QuickBooks.
Also See: Can’t Install QuickBooks Desktop on Windows/Mac
Practical Solutions to Eliminate QuickBooks Error 1638
After you understand the possible causes of this error, let’s look into the solutions and how to resolve the irritating issues.
Step 1. Find your QuickBooks version
Here are the steps to learn which QB Desktop version is installed on your system.
- Tap the Windows + R keys to launch the Run command.
- In the search bar, type Control Panel and hit Enter.
- Select Programs tab > Programs and Features.
- Right-click on the QuickBooks icon.
- Select the correct QB version.
- If QuickBooks still doesn’t open, try to repair the QB
Besides, checking for the QB Desktop version, you can use the Diagnostic Tool to fix it.
Step 2: Repair QuickBooks Desktop
Here is the guide to running the Install Diagnostic Tool for installation issues. Install QuickBooks Tool Hub on your computer and then go through the steps below:
- Open QuickBooks Tool Hub > Installation Issues.
- Choose QuickBooks Install Diagnostic Tool. Wait for the tool to run.
- Afterward, when the scan is done, restart your system, open QuickBooks Desktop, and access the company file you are working on.
Step 3: Verify the Restriction Policy
Moreover, the restriction policy for QuickBooks should be verified.
- Click on the Start icon > Control Panel.
- Choose Administrative Tools > Local Protection Settings > select Software Restriction Policies.
- Right-click on the QB in the restriction rule.
- Find New Software Restriction Policy. When enforced, double-click.
- Choose “All Customers Except Community Admins” and click on OK.
- Restart the System.
Step 4: Clean Install QuickBooks
Reinstalling the QB Desktop can eliminate and fix many problems. Above all, here’s a setup guide for the installation.
- Click on the Start tab.
- Search for the Control Panel in the search box and hit Enter.
- Head over to Programs and Features or Uninstall a program.
- Click on the QB icon and choose the Uninstall program option.
- Locate the QuickBooks.exe file and launch the installation process.
- Accept the Terms and Policies.
- Register using the correct license and product key.
Conclusion
In conclusion, we learned about the overall causes and various methods for eliminating QuickBooks error 1638. This issue occurs due to improper installation and corrupted files. If you continue to face the same error even after following the steps above, please speak to a QB professional available 24*7. Dial +1(855)-738-0359!
Frequently Asked Questions
These issues arise when installing a different version of the QuickBooks application when the system has a pre-existing version of QuickBooks. Usually, a pop-up message appears saying “An older version of this application is already installed on your device.”
This issue can prevent the user from working on the company files, potentially leading to delays in financial reporting and other business operations.
To find out what version of QB Desktop you are working on, open QB Desktop and tap on F2 or Ctrl+1 on the keyboard. A pop-up product information window will appear explaining the current version of QB.
When encountering error 1638, there are multiple precautions to fix this step:
1. Look for the QuickBooks version: Look for the version of QB Desktop you are working with.
2. Repair the QB Desktop: Fix the QB Desktop installation by running the QuickBooks Install Diagnostic Tool.
3. Verify the Restriction Policy: Check the New Software Restriction Policy and modify it if necessary.
4. Cleanly install QuickBooks: Reinstall QB Desktop and launch a clean and updated version.
Kate is a certified public accountant (CPA) with expertise in various accounting software. She is technically inclined and finds passion in helping businesses and self-employed people carry out bookkeeping, payroll, and taxation without worrying about errors. Every once in a while, Kate loves to travel to far-off places and relax in the lap of nature.