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Windows 10 now has another high CPU usage bug/issue due to Input Method Editor (IME)

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Earlier this month, we reported about the KB4512941 update causing high CPU usage issues in Windows 10. And today, Microsoft has confirmed another bug/issue that may cause high CPU usage on particular systems.

According to the company, some Input Method Editor (IME) may become unresponsive or may have high CPU usage. This issue mainly affects systems with Chinese Simplified (ChsIME.EXE) and Chinese Traditional (ChtIME.EXE) with Changjie/Quick keyboard.

As Microsoft stated:

Some Input Method Editor (IME) may become unresponsive or may have high CPU usage. Affected IMEs include Chinese Simplified (ChsIME.EXE) and Chinese Traditional (ChtIME.EXE) with Changjie/Quick keyboard.

Affected platforms:

  • Client: Windows 10, version 1903; Windows 10, version 1809; Windows 10 Enterprise LTSC 2019; Windows 10, version 1803; Windows 10, version 1709; Windows 10, version 1703; Windows 10 Enterprise LTSC 2016; Windows 10, version 1607
  • Server: Windows Server, version 1903; Windows Server, version 1809; Windows Server 2019; Windows Server, version 1803; Windows Server, version 1709 ; Windows Server 2016

In order to fix this bug, you’ll have to follow this guide

  • Select the Start button and type Services.
  • Locate Touch Keyboard and Handwriting Panel Service and double click on it or long press and select Properties.
  • Locate Startup type: and change it to Manual
  • Select Ok
  • The TabletInputService service is now in the default configuration and IME should work as expected.

As always, Microsoft will release a fix for this bug in a future Windows 10 update. Unfortunately, there is no word on when an official fix will arrive.