Ultimate Suite for Excel: Troubleshooting

If something went wrong while using Ultimate Suite

If you face any troubles when using, installing, activating Ultimate Suite for Excel, find the solution on this page. In case your issue is not listed or the guides don't help - we are always there to support you and answer all your questions: support@ablebits.com

Installation issues

The add-in cannot load one of its dlls

Windows protected your PC

Unable to repair or uninstall the add-in

Configure AppLocker to let Ablebits add-ins start

Microsoft Office related problems while installing the add-in

The digital signature is corrupted error

Runtime issues

There are no Ablebits tabs in Excel

The add-in cannot load one of its dlls

Excel crashes: Reasons and solutions

Ablebits tabs are in the ribbon, but when you click on them–nothing happens

Ultimate Suite for Excel doesn't show up in Office 365 installed from Microsoft Store

There are no icons under the Ablebits tabs

Microsoft Office related problems while using the add-in

Unable to start the 'AblebitsMakeDiffs.exe' application while using Compare Sheets

Activation issues

You haven't received your license key

Activation limit exceeded

Incorrect license key

After reinstallation, your license key has stopped working

How to recover your lost license key

Where to find the license key in Excel if the add-in is already registered

Windows and Microsoft Office how-tos

Update your Microsoft Office

Repair your Microsoft Office

Use .NET Framework Repair Tool

Disable Preview Pane in File Explorer

Detect the full version number and bit version of Microsoft Office

Install Desktop Office instead of Office from Microsoft Store

Take a screenshot to send to our support team