On running the System Update readiness Command, it will Detect & Replace Incorrect Registry data with the Correct one. Which may ultimately Solve 0x2a6 in Windows.
Open CMD as Administrator by Simply Right Clicking on Start button > Command Prompt (Admin).
Now Type or Copy paste "DISM.exe /Online /Cleanup-image /Scanhealth" and hit Enter,
Now again Type or Copy paste this "DISM.exe /Online /Cleanup-image /Restorehealth" and hit Enter.
Close the Command Prompt Window because we are done.
Reboot your Windows & see if error 0x2a6 is still there.
Note: Your administrator's password might be needed.
Scan your computer for viruses.
Some viruses can cause error 0x2a6, especially ones that infect the master boot record (MBR) or boot sector.
Important: Make sure your virus scanning software is completely up to date and that it's configured to scan the MBR and boot sector.
Still can't Fix Error 0x2a6?
1. Download Error Fixer. Install it on your system.
2. After the scan is finished, you can see the errors and problems which need to be fixed.
3. The Repair part is done, the speed of your computer will be much higher than before and the errors have been fixed. You can also use other functions in this software. Like dll downloading, windows updating and print spooler error repair.