After launching Nitro PDF Pro, if Nitro appears to be stuck in the Windows Taskbar with no way to bring it to the forefront, please try the following steps in order to resolve the issue:

Step 1: Shift. Press the "Shift" key + Right-click on the Nitro PDF Pro Icon within your Taskbar.

Step 2: Maximize. On the Right-click Menu, please select "Maximize".

Step 3: Confirm. Nitro PDF Pro should now appear on your monitor and will launch successfully on subsequent attempts:

If the issue persist, submit a ticket to the ACORD Helpdesk through this link https://acordhelpdesk.zendesk.com/hc/en-us/requests/new or email helpdesk@acord.org.