Microsoft began the gradual rollout of the Windows 10 version 2004 (May 2020 Update) on May 27, 2020, for compatible devices, but even though, the feature update was already finalized back in December 2019, and ever since, the company has been pushing maintenance updates, and it’s currently limiting the update to only systems running version 1909 and 1903, the May 2020 Update still has a slew of problems.

According to the Microsoft health dashboard website, Windows 10 version 2004 has at least ten known issues, all of which, the company is investigating, and as a result, devices that might be affected have a compatibility hold to block the update to safeguard the experience.

Known issues for Windows 10 version 2004

Here’s a list of the known issues that Microsoft is aware for the May 2020 Update:

  • Difficulty connecting to more than one Bluetooth device: Computers with certain Realtek drivers might be unable to connect to more than one Bluetooth device.
  • Variable refresh rate not working as expected on devices with Intel iGPU: Enabling VRR on affected devices won’t enable the VRR for most games, especially games using DirectX 9.
  • Issue with older drivers for Nvidia display adapters (GPU): You might have issues if you are using a Nvidia display adapter (GPU) and drivers with a version below 358.00.
  • Stop error when plugging or unplugging a Thunderbolt dock: Computers using Thunderbolt docks may receive a stop error when plugging in or unplugging the dock.
  • Errors or issues during or after updating devices with Conexant ISST audio drivers: Computers with affected Conexant ISST audio drivers might receive an error or have issues with Windows 10, version 2004.
  • Errors or issues during or after updating devices with certain Conexant audio drivers: Computers with affected Conexant or Synaptics audio drivers might receive a stop error with a blue screen.
  • Errors or unexpected restarts for some devices using Always On, Always Connected: Computers with more than one Always On, Always Connected capable network adapter might have issues.
  • No mouse input with apps and games using GameInput Redistributable: Affected apps and games using both GameInput Redistributable and Windows 10, version 2004 might lose mouse input.
  • Issues updating or starting up devices when aksfridge.sys or aksdf.sys is present: Devices with apps or drivers using certain versions of aksfridge.sys or aksdf.sys might have issues updating or starting.
  • Issues using ImeMode property to control IME mode for individual text entry fields: Some IME for certain languages might have issues using the ImeMode property with certain apps.

These are only the known issues from day-one, throughout the rollout and life of Windows 10 version 2004, the health dashboard website will be updated with new cases and resolutions for problems, most of which may come through Windows Update.

Difficulty connecting to more than one Bluetooth device: Computers with certain Realtek drivers might be unable to connect to more than one Bluetooth device.

Variable refresh rate not working as expected on devices with Intel iGPU: Enabling VRR on affected devices won’t enable the VRR for most games, especially games using DirectX 9.

Issue with older drivers for Nvidia display adapters (GPU): You might have issues if you are using a Nvidia display adapter (GPU) and drivers with a version below 358.00.

Stop error when plugging or unplugging a Thunderbolt dock: Computers using Thunderbolt docks may receive a stop error when plugging in or unplugging the dock.

Errors or issues during or after updating devices with Conexant ISST audio drivers: Computers with affected Conexant ISST audio drivers might receive an error or have issues with Windows 10, version 2004.

Errors or issues during or after updating devices with certain Conexant audio drivers: Computers with affected Conexant or Synaptics audio drivers might receive a stop error with a blue screen.

Errors or unexpected restarts for some devices using Always On, Always Connected: Computers with more than one Always On, Always Connected capable network adapter might have issues.

No mouse input with apps and games using GameInput Redistributable: Affected apps and games using both GameInput Redistributable and Windows 10, version 2004 might lose mouse input.

Issues updating or starting up devices when aksfridge.sys or aksdf.sys is present: Devices with apps or drivers using certain versions of aksfridge.sys or aksdf.sys might have issues updating or starting.

Issues using ImeMode property to control IME mode for individual text entry fields: Some IME for certain languages might have issues using the ImeMode property with certain apps.