There are two reasons why this occurs:
1 Landscaping Master Plug-ins may be disabled for office, and Plug-ins need to be removed from disabled items.
2 beautify the master the loading behavior of the plug-in is set to: load without booting, and the plug-in behavior needs to be reset.
To remove a disabled item: Office 2007/2010/2013 manual operation:
1. Open the PowerPoint options
Office 2010/2013 Click the "File"-"option
2. Click "Add-Ins" in the "PowerPoint Options"-Select "Disable Items" in the "admin" option-click "Go", pop the "Disable Items" window, select the items you want to re-enable in the list, select Pptassist.addins ( Pptassist.dll) and click "Enable", as shown below
To set the plug-in startup behavior:
1. Open the PowerPoint options
2. Click "Add-Ins" in the "PowerPoint Options"-select "com add-in" in the "admin" option-click the "Go" button to display the "COM Add-ins" window.
3. The "PPT beautification master" before the hook hit, click "OK" to complete.
To set the plug-in startup behavior:
Start Menu-"All Programs"-"PPT beautification master", click on "ppt Beautification master" shortcut, start landscaping Master Independent program. It automatically checks and repairs the master's plugin when it starts.