Step 1: Install Digital Signature in Internet Explorer Enter C:Program FilesIntuitQuickBooks in the address bar of Windows File Manager to launch it. Locate the QBW32.exe file in the QuickBooks folder and press Enter. Choose Properties by performing a right-click on the QBW32.exe file. Look for the list of signatures under the Digital Signature tab. On the Intuit Inc. digital signature, click Details. Choose See Certificate from the Digital Signature Information window's menu now. Now select Install Certificate from the Certificate window's menu. Up until the Finish option appears, click the Next button. After clicking Complete, restart your computer. Once more, attempt to update QuickBooks Click here :- https://asquarecloudhosting.com/quickbooks-update-error-15212/