If you get an error regarding the citrix virtual driver see possible solutions below
If it specifically mentions the ZOOM virtual driver, either reinstalling Zoom or removing the registry entry below should fix the issue
remove the zoom virtual driver from registry (will need to run registry as admin)
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Citrix\ICA Client\Engine\Configuration\Advanced\Modules\ICA 3.0
If there is no specific mention to the zoom virtual driver or any other specific virtual driver, removing citrix and reinstalling should fix the problem.
Please update this solutions article with any other information, and please capture information in the call such as Citrix version, Build, OS version, clear error message and troubleshooting steps done.