Smart Tool 'Repair Environment' dialog keeps reappearing — fix that breaks the loop

When opening the COD Mobile Smart Tool, a modal dialog appears titled "Repair Environment" with the message:

"You have enabled virtualization technology (Hyper-V). You need to repair the related environment before using it normally. Do you want to repair it?"

Clicking Repair runs a brief animation, but on the next Smart Tool launch the same dialog reappears. Clicking Cancel just closes the dialog without doing anything. The user is stuck in a loop where Repair claims to succeed but the underlying environment mismatch isn't actually resolved.

  • "i turned on hyperv, it told me to repair the environment, i did that and its still not opening" — caesarsalad

Root cause: the Smart Tool's "Repair Environment" path patches a registry key indicating Hyper-V mode, but if Memory Integrity / VBS is also enabled, the underlying hypervisor lock prevents TAC from actually using Hyper-V — and the next environment check detects the mismatch again.

Last updated 1 week ago0 users reported this issue1
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Solutions

solution #601

Disable Memory Integrity FIRST, then click Repair. The fix sequence that actually breaks the loop:

  1. Settings → Privacy & Security → Windows Security → Device Security → Core Isolation.
  2. Toggle Memory Integrity OFF.
  3. Reboot Windows (mandatory — VBS state only updates after reboot).
  4. After reboot, open Smart Tool — the "Repair Environment" dialog should appear once more.
  5. Click Repair.
  6. Smart Tool should now exit Repair mode and let you Apply FPS / Apply Keymap / Launch CODM normally.
  7. The dialog will not return on subsequent launches.

solution #602

Toggle Hyper-V off, reboot, toggle back on, reboot. If Memory Integrity was already off and the loop persists, your Hyper-V state itself may be corrupted:

  1. Win+R → optionalfeatures
  2. UNCHECK Hyper-V, Virtual Machine Platform, Windows Hypervisor Platform.
  3. Apply, reboot.
  4. Open optionalfeatures again, RECHECK all three.
  5. Apply, reboot.
  6. Open Smart Tool, click Repair.

solution #603

If both above fail, force hypervisor launch via bcdedit. Open Command Prompt as Administrator:

bcdedit /set hypervisorlaunchtype auto

Reboot. The bcdedit flag forces Windows to actually start the hypervisor at boot, regardless of Hyper-V Windows-feature state. Useful when Memory Integrity has corrupted the bcd hypervisorlaunchtype to "off" without flipping the UI back.

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