There are many sites online with supposed fixes for Windows 10 problems but most do not look like they will help you out. Two things you can do here. Call a Tech in your area for help or go to Microsoft's site and search for your problems there and see if there are any good fixes. I've had some of these problems and some of the updates and patches have helped. Check with Microsoft first!
Windows 10 is so unresponsive. Often my taskbar icons get disappeared and Start and Cortana gets Unresponsive sometimes My Search bar too! Any Tips for quick recovery?
Taskbar issues are common with Windows 10, You can fix them easily as soon as you identify the cause of the problem.
1. Taskbar not working after windows update - check the driver and reinstall the driver
2. Taskbar was working fine earlier and suddenly started getting stuck - try restarting your computer in safe mode and check if it works fine, it may be isssue of a virus.
there may be plenty of reason like this, if your solution is not found in the above, please try to find the cause of the problem and comment. Thank you