Solving "no valid copy" issues In addition to re-applying the Microsoft Office v.X 10.1.2 updater (noted yesterday), some users have been able to work around the "no ...

We previously noted that the Office v.X 10.1.4 upgrade seems to break the Excel Solver add-in. It works once on a worksheet, then if you try to reuse it again on that worksheet, Excel quits. Further, ...

The Solver add-in for Microsoft Excel is one of the most important, so we can understand the frustrations when users cannot get it to work as they hope. In older versions of Excel, folks had to ...