Excel Addins V244120 Fix Best [upd]: Devart

“I disabled McAfee real-time scanning during installation and manually trusted the .DLLs in Excel Trust Center. That was the best fix for Devart Excel Addins v244120 in my case.” —

Users of Devart Excel Add-ins—and indeed any Excel add-in—may encounter several recurring problems:

Then reboot. This forces .NET applications to use TLS 1.2.

The specific build “v24.4.120” aligns with this broader stable release philosophy—running a current, supported version is always your best defense against add-in failures. With the strategies outlined in this guide, you can restore functionality quickly and keep your Devart Excel Add-ins running smoothly for years to come. devart excel addins v244120 fix best

Older builds of the Devart tools occasionally triggered "Object reference not set to an instance of an object" errors or dropped connection flags during massive cloud data refreshes. The comprehensively addresses these data pipeline bottlenecks.

The add-in may stop responding after selecting a table and clicking “Finish,” leaving Excel unresponsive.

Disable antivirus real-time scanning during installation. The specific build “v24

You can add, delete, or modify rows in Excel and use the Commit button to push those changes back to the source (Salesforce, SQL Server, etc.).

The metadata caching mechanism has been rewritten. The Query Builder now lazy-loads schema definitions, validating table relationships asynchronously without locking the main Excel application thread. Fix 4: Excel Formula Overwrite Protection

Best Practices for Installing and Fixing Devart Excel Add-ins (v2.4.4120) You can add

If the problem recurs frequently, consider adjusting the timeout settings or optimizing your queries to reduce execution time.

: Built-in data validation helps prevent errors by ensuring entered data matches the source column types before committing changes back to the database.