![Helpline](https://hackmd.io/_uploads/Skvl5GcmA.png) QuickBooks Error PS036 typically occurs when there are issues with the payroll subscription or the company file, preventing users from updating payroll. This error can significantly disrupt payroll processing. Here’s an in-depth guide on understanding the causes of this error and the steps to troubleshoot and resolve it. **Common Causes of QuickBooks Error PS036** **Invalid Payroll Service Key:** The payroll service key entered is incorrect or invalid. **Inactive Payroll Subscription:** The payroll subscription is inactive or has expired. **Outdated QuickBooks Version:** Using an outdated version of QuickBooks Desktop can lead to compatibility issues with payroll updates. **Incorrect Company File:** Issues or corruption within the company file can trigger Error PS036. **Invalid Employee Identification Number (EIN):** Incorrect or invalid EIN linked to the company file. **Damaged QBW.INI File:** Corruption or damage in the QBW.INI file can cause this error. **Troubleshooting Steps** **Step 1: Verify Payroll Subscription Status** **Check Subscription Status:** Open QuickBooks Desktop. Go to ‘Employees’ > ‘My Payroll Service’ > ‘Account/Billing Information’. Log in to your Intuit account to check if your payroll subscription is active. **Reactivate Subscription:** If the subscription is inactive, follow the prompts to reactivate it. **Step 2: Validate Payroll Service Key** **Validate Service Key:** Go to ‘Employees’ > ‘My Payroll Service’ > ‘Manage Service Key’. Ensure that the service key is correct. If not, click ‘Add’ to enter the correct service key. **Re-Validate the Key:** Sometimes re-entering the correct service key can resolve the issue. Click ‘Next’ and then ‘Finish’ to complete the process. **Step 3: Update QuickBooks Desktop** **Check for Updates:** Open QuickBooks Desktop. Go to ‘Help’ > ‘Update QuickBooks Desktop’. Click on ‘Update Now’ and select ‘Get Updates’. **Restart QuickBooks:** After the updates are downloaded, restart QuickBooks to install them. **Step 4: Correct EIN in Company File** **Check EIN:** Go to ‘Company’ > ‘My Company’. Click on ‘Edit’ and verify the EIN listed. **Correct the EIN:** If the EIN is incorrect, update it with the correct number and save the changes. **Step 5: Rename QBW.INI File** Renaming the QBW.INI file forces QuickBooks to create a new one, which can resolve many issues. **Locate QBW.INI File:** Open File Explorer and navigate to the directory where QuickBooks is installed. Locate the QBW.INI file. **Rename the File:** Right-click the file and select ‘Rename’. Add “.old” at the end of the file name (e.g., QBW.INI.old). **Reopen QuickBooks:** Open QuickBooks and try to update payroll again. **Step 6: Verify Company File and Rebuild Data** **Verify Data:** Open QuickBooks Desktop. Go to ‘File’ > ‘Utilities’ > ‘Verify Data’. QuickBooks will start verifying your company file for any issues. **Rebuild Data:** If issues are found, go back to ‘File’ > ‘Utilities’ > ‘Rebuild Data’. Follow the on-screen prompts to create a backup of your company file before rebuilding. QuickBooks will then rebuild your company file to fix any detected issues. **Step 7: Use QuickBooks Tool Hub** QuickBooks Tool Hub can help diagnose and fix various issues. **Download and Install QuickBooks Tool Hub:** Download it from the official Intuit website. Follow the installation instructions. **Run the Tool:** Open QuickBooks Tool Hub. Go to the ‘Program Problems’ section and select ‘Quick Fix my Program’. Follow the prompts to diagnose and fix issues. **Step 8: Validate Payroll Service in QuickBooks Desktop** **Validate Payroll:** Go to ‘Employees’ > ‘My Payroll Service’ > ‘Manage Service Key’. Ensure the status of the payroll service is ‘Active’. **Revalidate if Needed:** If it shows inactive, try revalidating the service key by clicking on ‘Edit’ and then re-entering the service key. **Step 9: Contact QuickBooks Support** **Get Professional Assistance:** If none of the above steps resolve the issue, it’s advisable to contact QuickBooks support for professional assistance. Provide them with the error details and the steps you’ve already taken for quicker resolution. Additional Tips **Regular Updates:** Keep QuickBooks and payroll tax tables updated to avoid compatibility issues. **Backup Data:** Regularly back up your company file to prevent data loss and facilitate easier recovery. **Verify Information:** Periodically verify the information in your company file, including service keys and EIN, to ensure accuracy. By systematically following these troubleshooting steps, you should be able to resolve QuickBooks Error PS036. Regular maintenance of your QuickBooks software and careful attention to subscription and file details can help prevent such issues in the future. **More Useful Link here -** https://medium.com/@sophie.disick/how-to-fix-quickbooks-cant-find-company-file-1aed7fbda11c https://techcommunity.microsoft.com/t5/windows-11/why-can-t-open-company-file-in-quickbooks-desktop-after-latest/m-p/4147112#M11396 https://techcommunity.microsoft.com/t5/windows-insider-program/why-is-my-quickbooks-is-unable-to-open-this-company-file-error/m-p/4147115#M26426 https://techcommunity.microsoft.com/t5/windows-11/why-is-my-quickbooks-can-t-find-company-file-on-network-after/m-p/4147167#M11406 https://techcommunity.microsoft.com/t5/windows-insider-program/what-to-do-when-company-file-is-missing-or-cannot-be-found-in/m-p/4147174#M26430 https://techcommunity.microsoft.com/t5/windows-11/how-to-resolve-error-6073-99001-quickbooks-is-unable-to-open/m-p/4147317#M11419 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