AutoCAD LT 2018 installation error Allied product not found

During AutoCAD LT 2018 installation you receive error "Allied product not found"


The error relates to AutoCAD LT 2018 registry keys set previous ACAD LT 2018 installation attempt.


A. Use Microsoft FixIT tool to scan your system and if the tool detects AutoCAD LT 2018 or AutoCAD LT 2018 Language Pack as been installed, please uninstall them. B. If Microsoft Fix it tool doesn't detect AutoCAD LT 2018 components been installed, open system registry editor and look for following registry keys.  If you find them, export them as .reg file (for back up purpuces) and then delete them in registry.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\AutoCAD LT 2018 - English

C. Download AutoCAD  LT 2018 installer using  Download Now,  Browser Download or from  Autodesk Virtual Agent

D. Install AutoCAD LT 2018
  • Logon as an Administrator.  
  • Empty your TEMP folder.  To open the TEMP folder, type %TEMP% in the address bar of Windows Explorer and hit Enter. 
  • Disable your Antivirus software. 
  • Disable UAC.
  • Type UAC in the search field on your taskbar. (If the search field isn't visible, right-click the Start button and choose Search.)
  • Click Change User Account Control settings in the search results.
  • To turn UAC off, drag the slider down to Never notify and click OK.
  • You may be prompted to confirm your selection or enter an administrator password.
  • Reboot your computer for the change to take effect.
  • Install ACAD LT 2018
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