SQL Server Management Studio Font Error : SSMS Cannot create an editor

When trying to run a query or open ssms, you receive this error, related to fonts:

Error Desc:

Object reference not set to an instance of an object. (Microsoft.VisualStudio.Editor.Implementation) ------------------------------ Program Location: at Microsoft.VisualStudio.Editor.Implementation.VsTextViewAdapter.SetScrollPosition(Int32 iBar, Int32 iFirstVisibleUnit)

To Resolve:

Solution 1 - Run Fixit tool for KB4074906

Microsoft has released a Fixit tool for KB4074906, available on Windows Update, WSUS, Microsoft Update Catalog, and as a direct download.

and/or

Solution 2 - Replace GlobalUserInterface.CompositeFont Manually

Manually replace corrupted font file with correct version.

1. Download GlobalUserInterface.CompositeFont (default download for Windows 7 is %USERPROFILE%\Downloads).
2. Launch cmd as Administrator and navigate to %windir%\Microsoft.NET\Framework\v4.0.30319\WPF\Fonts and run:
   xcopy /y %USERPROFILE%\Downloads\GlobalUserInterface.CompositeFont .
   (or copy and paste the GlobalUserInterface.Composite file through Windows Explorer to %windir%\Microsoft.NET\Framework\v4.0.30319\WPF\Fonts)
3. Re-launch WPF application.
4. Reboot machine and re-launch application if you still have trouble.

Windows Command Line Command for Control Panel Applets

Examples of all control panel applets commands, use to exec via command line & combined with runas to exec varying commands under differring permssions as needed

Run As Examples:

runas /username:FLCDTL01JD832S\aspdebug "rundll32.exe shell32.dll,Control_RunDLL appwiz.cpl"

runas /username:FLCDTL01JD832S\aspdebug "rundll32.exe shell32.dll,Control_RunDLL ncpa.cpl"

Commands:

Control Panel Applet	Command	OS Version
Accessibility Options	control access.cpl	XP
Action Center	control /name Microsoft.ActionCenter	8, 7
	control wscui.cpl	8, 7
Add Features to Windows 8	control /name Microsoft.WindowsAnytimeUpgrade	8
Add Hardware	control /name Microsoft.AddHardware	Vista
	control hdwwiz.cpl	XP
Add or Remove Programs	control appwiz.cpl	XP
Administrative Tools	control /name Microsoft.AdministrativeTools	8, 7, Vista
	control admintools	8, 7, Vista, XP
Automatic Updates	control wuaucpl.cpl	XP
AutoPlay	control /name Microsoft.AutoPlay	8, 7, Vista
Backup and Restore Center	control /name Microsoft.BackupAndRestoreCenter	Vista
Backup and Restore	control /name Microsoft.BackupAndRestore	7
Biometric Devices	control /name Microsoft.BiometricDevices	8, 7
BitLocker Drive Encryption	control /name Microsoft.BitLockerDriveEncryption	8, 7, Vista
Bluetooth Devices	control bthprops.cpl13	8, 7, Vista
	control /name Microsoft.BluetoothDevices	Vista
Color Management	control /name Microsoft.ColorManagement	8, 7, Vista
Color1	WinColor.exe2	XP
Credential Manager	control /name Microsoft.CredentialManager	8, 7
Client Service for NetWare	control nwc.cpl	XP
Date and Time	control /name Microsoft.DateAndTime	8, 7, Vista
	control timedate.cpl	8, 7, Vista
	control date/time	8, 7, Vista, XP
Default Location	control /name Microsoft.DefaultLocation	7
Default Programs	control /name Microsoft.DefaultPrograms	8, 7, Vista
Desktop Gadgets	control /name Microsoft.DesktopGadgets	7
Device Manager	control /name Microsoft.DeviceManager	8, 7, Vista
	control hdwwiz.cpl	8, 7, Vista
	devmgmt.msc	8, 7, Vista, XP3
Devices and Printers	control /name Microsoft.DevicesAndPrinters	8, 7
	control printers	8, 7
Display	control /name Microsoft.Display	8, 7
	control desk.cpl	XP
	control desktop	XP
Ease of Access Center	control /name Microsoft.EaseOfAccessCenter	8, 7, Vista
	control access.cpl	8, 7, Vista
Family Safety	control /name Microsoft.ParentalControls	8
File History	control /name Microsoft.FileHistory	8
Flash Player Settings Manager	control flashplayercplapp.cpl	8
Folder Options	control /name Microsoft.FolderOptions	8, 7, Vista
	control folders	8, 7, Vista, XP
Fonts	control /name Microsoft.Fonts	8, 7, Vista
	control fonts	8, 7, Vista, XP
Game Controllers	control /name Microsoft.GameControllers	8, 7, Vista
	control joy.cpl	8, 7, Vista, XP
Get Programs	control /name Microsoft.GetPrograms	8, 7, Vista
Getting Started	control /name Microsoft.GettingStarted	7
Home Group	control /name Microsoft.HomeGroup	8, 7
Indexing Options	control /name Microsoft.IndexingOptions	8, 7, Vista
	rundll32.exe shell32.dll,Control_RunDLL srchadmin.dll	8, 7, Vista, XP
Infrared	control /name Microsoft.Infrared	8, 7
	control irprops.cpl	8, 7, Vista
	control /name Microsoft.InfraredOptions	Vista
Internet Options	control /name Microsoft.InternetOptions	8, 7, Vista
	control inetcpl.cpl	8, 7, Vista, XP
iSCSI Initiator	control /name Microsoft.iSCSIInitiator	8, 7, Vista
Keyboard	control /name Microsoft.Keyboard	8, 7, Vista
	control keyboard	8, 7, Vista, XP
Language	control /name Microsoft.Language	8
Location and Other Sensors	control /name Microsoft.LocationAndOtherSensors	7
Location Settings	control /name Microsoft.LocationSettings	8
Mail4	control mlcfg32.cpl5	8, 7, Vista, XP
Mouse	control /name Microsoft.Mouse	8, 7, Vista
	control main.cpl	8, 7, Vista
	control mouse	8, 7, Vista, XP
Network and Sharing Center	control /name Microsoft.NetworkAndSharingCenter	8, 7, Vista
Network Connections	control ncpa.cpl	8, 7, Vista
	control netconnections	8, 7, Vista, XP
Network Setup Wizard	control netsetup.cpl	8, 7, Vista, XP
Notification Area Icons	control /name Microsoft.NotificationAreaIcons	8, 7
ODBC Data Source Administrator	control odbccp32.cpl	XP6
Offline Files	control /name Microsoft.OfflineFiles	8, 7, Vista
Parental Controls	control /name Microsoft.ParentalControls	7, Vista
Pen and Input Devices	control /name Microsoft.PenAndInputDevices	Vista
	control tabletpc.cpl	Vista
Pen and Touch	control /name Microsoft.PenAndTouch	8, 7
	control tabletpc.cpl	8, 7
People Near Me	control /name Microsoft.PeopleNearMe	7, Vista
	control collab.cpl	7, Vista
Performance Information and Tools	control /name Microsoft.PerformanceInformationAndTools	8, 7, Vista
Personalization	control /name Microsoft.Personalization	8, 7, Vista
	control desktop	8, 7, Vista
Phone and Modem Options	control /name Microsoft.PhoneAndModemOptions	Vista
	control telephon.cpl	Vista, XP
Phone and Modem	control /name Microsoft.PhoneAndModem	8, 7
	control telephon.cpl	8, 7
Power Options	control /name Microsoft.PowerOptions	8, 7, Vista
	control powercfg.cpl	8, 7, Vista, XP
Printers and Faxes	control printers	XP
Printers	control /name Microsoft.Printers	Vista
	control printers	Vista
Problem Reports and Solutions	control /name Microsoft.ProblemReportsAndSolutions	Vista
Programs and Features	control /name Microsoft.ProgramsAndFeatures	8, 7, Vista
	control appwiz.cpl	8, 7, Vista
Recovery	control /name Microsoft.Recovery	8, 7
Region	control /name Microsoft.RegionAndLanguage	8
	control intl.cpl	8
	control international	8
Region and Language	control /name Microsoft.RegionAndLanguage	7
	control intl.cpl	7
	control international	7
Regional and Language Options	control /name Microsoft.RegionalAndLanguageOptions	Vista
	control intl.cpl	Vista
	control international	Vista, XP
RemoteApp and Desktop Connections	control /name Microsoft.RemoteAppAndDesktopConnections	8, 7
Scanners and Cameras	control /name Microsoft.ScannersAndCameras	8, 7, Vista
	control sticpl.cpl	XP
Scheduled Tasks	control schedtasks	XP7
Screen Resolution	control desk.cpl	8, 7
Security Center	control /name Microsoft.SecurityCenter	Vista
	control wscui.cpl	XP
Software Explorers8	msascui.exe9	XP
Sound	control /name Microsoft.Sound	8, 7
	control /name Microsoft.AudioDevicesAndSoundThemes	Vista
	control mmsys.cpl	8, 7, Vista
Sounds and Audio Devices	control mmsys.cpl	XP
Speech Recognition Options	control /name Microsoft.SpeechRecognitionOptions	Vista
Speech Recognition	control /name Microsoft.SpeechRecognition	8, 7
Speech	control sapi.cpl10	XP
Storage Spaces	control /name Microsoft.StorageSpaces	8
Sync Center	control /name Microsoft.SyncCenter	8, 7, Vista
System	control /name Microsoft.System	8, 7, Vista
	control sysdm.cpl	XP
System Properties	control sysdm.cpl	8, 7, Vista
Tablet PC Settings	control /name Microsoft.TabletPCSettings	8, 7, Vista
Task Scheduler7	control schedtasks	8, 7, Vista
Taskbar	control /name Microsoft.Taskbar	8
	rundll32.exe shell32.dll,Options_RunDLL 1	8
Taskbar and Start Menu	control /name Microsoft.TaskbarAndStartMenu	7, Vista
	rundll32.exe shell32.dll,Options_RunDLL 1	7, Vista, XP
Text to Speech	control /name Microsoft.TextToSpeech	8, 7, Vista
Troubleshooting	control /name Microsoft.Troubleshooting	8, 7
User Accounts	control /name Microsoft.UserAccounts	8, 7, Vista
	control userpasswords	8, 7, Vista, XP
Welcome Center	control /name Microsoft.WelcomeCenter	Vista
Windows 7 File Recovery	control /name Microsoft.BackupAndRestore	8
Windows Anytime Upgrade	control /name Microsoft.WindowsAnytimeUpgrade	7, Vista
Windows CardSpace	control /name Microsoft.CardSpace	7, Vista
	control infocardcpl.cpl	7, Vista
Windows Defender	control /name Microsoft.WindowsDefender	8, 7, Vista11
Windows Firewall	control /name Microsoft.WindowsFirewall	8, 7, Vista
	control firewall.cpl	8, 7, Vista, XP
Windows Marketplace	control /name Microsoft.GetProgramsOnline	Vista
Windows Mobility Center	control /name Microsoft.MobilityCenter	8, 7, Vista
Windows Sidebar Properties	control /name Microsoft.WindowsSidebarProperties	Vista
Windows SideShow	control /name Microsoft.WindowsSideShow	8,7, Vista
Windows Update	control /name Microsoft.WindowsUpdate	8, 7, Vista12
Wireless Link	control irprops.cpl	XP
Wireless Network Setup Wizard	?	XP

Disable Task Manager : Applies to Win 7 and up:

Disable Task Manager : Applies to Win 7 and up:

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:00000001

Results in task manager grayed out: