Reasons

Lots of Windows users said that they can’t type in search bar in Windows 10 and even paste anything in it.The possible reasons are:

• ctfmon.exe is not running.
• The default apps of the system have some issues or get corrupted.
• Cortana is unresponsive.

How to Fix?

Step 1:

• Press Windows + R to open Run Command
• Type C:\Windows\system32\ctfmon.exe in the dialogue box and then hit the Enter key

The issue should be fixed. So, type what you want in the Windows search bar and see if the issue has been solved. If not follow Step 2.

Step 2:

• Press Windows + R to open Run Command
• Type cmd and then press Shift + Ctrl + Enter to grant administrative privileges
• Type the command below and hit the Enter key to run

REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v ctfmon /t REG_SZ /d CTFMON.EXE

• Restart your computer and check if the issue has been resolved, If not follow Step 3.

Step 3:

• Right-click the taskbar and then choose Task Manager.
• Under the Processes tab, locate the Cortana service. Right-click it and then click End Task, “If you can’t find the service, you can switch to the Service tab”