What is Runtime Error 1004 in Excel? Runtime error 1004 is an error code relating to Microsoft Visual Basic that has been known to disturb Microsoft Excel users.

If you see Microsoft Visual Basic, Run-time error, Class not registered in Office Excel, follow these solutions that have helped many fix the issue.

Microsoft offers some insight into the problem in Knowledge Base (KB) article 950340. According to the KB, after the patch is applied on systems with "Microsoft Office Excel 2003 installed, ...

Microsoft says that Excel can produce an error when calculating a problem that should return 65,535 or 65,536 as is its result. Somehow, Excel adds 34,465 (or 34,464) and gives 100,000 as the sum.

Sometime in the past few hours, Microsoft posted official warnings about an 'invalid procedure call error' associated with August patches for all versions of Windows, from Win7 onward, and ...

Microsoft's Excel team takes to Reddit to answer questions and reassure users that yes, you can open up more than one Excel window at the same time.