Disk Offline With a Signature Collision? Change One ID
A cloned disk shows Offline with a signature collision? Pick the disk you boot from first, then bring the other online or give it a new ID with diskpart uniqueid.
Informational
Local Taskbar Over Remote Desktop Full Screen? Find the App
Your own taskbar covers Remote Desktop in full screen? An app by your clock wants attention. Answer it, restart Windows Explorer, or go full screen from a normal RDCMan window.
Scanning and Repairing Drive Every Startup? Clear the Flag
Scanning and repairing drive at every start means the dirty bit stays set. Query it with fsutil, run chkdsk /f /r from recovery, and use chkntfs /x only as a pause.
Switch RAID to AHCI Without Reinstalling Windows
Changing RAID or Intel RST to AHCI stops Windows on a blue screen? Set Safe Mode with bcdedit first, switch the BIOS, let Safe Mode load the driver, then remove the flag.
Task Host Window Stopping Shutdown? Find the Task First
Task Host Window stops your shutdown? Read the task name, turn off the sign-in info switch, test a full shutdown, then decide on fast startup.
BitLocker Waiting for Activation? Your Drive Is Half Done
BitLocker waiting for activation means the drive is encrypted but its key sits in the clear. Finish it with a recovery key, or turn it off with manage-bde -off.
Changed WindowsApps Permissions? Put the Owner Back
Took ownership of the WindowsApps folder? Skip icacls /reset /t, write the folder rules back with the cacls SDDL line, and give ownership back to TrustedInstaller.
vEthernet (Default Switch) Keeps Coming Back? Find Its Owner
vEthernet (Default Switch) returns after you delete it? A Windows feature built on Hyper-V rebuilds it at startup. Untick that feature, then clear the leftover adapters.
Unknown Locale (qaa-Latn) in Your Keyboard List? Remove It
Unknown Locale (qaa-Latn) sits in your language switcher but not in Settings? Add it in Windows PowerShell and remove it, or reset the list to one language.
L2TP VPN Works on Your Phone, Not Windows? One Value
L2TP/IPsec VPN connects on your phone but fails on Windows? Set AssumeUDPEncapsulationContextOnSendRule to 2, restart, then check the IPsec services and sign-in.