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luke.geek.nz


An IT Engineer with a love for all things IT including (but not limited to), Microsoft Azure, Automation and Service Management!


How to fix error 0x8004FF01 while installing Microsoft Security Essentals

Problems getting Security Essentials installed? Try these tips below.

  1. Remove any old Antivirus software that could be causing incompatibility with Security Essentials
  2. It is likely that some parts of the old antivirus are remaining, such as Norton’s Symantec services. Attempt running the antivirus removal tools from the developer’s websites to remove leftover traces.
  3. Download & install the latest Microsoft Windows Installer & attempt Security Essentials install.

Still not working? Then try the following.

  1. Run a System File Checker (Start, Run type: cmd then press Enter to open Command Prompt, then type sfc /scannow then press Enter) – You may need your operating system CD at this point if it needs to grab files off it.
  2. Open Command Prompt, following the instructions above & type: “reg delete HKLM/SOFTWARE/Microsoft/SQMClient/Windows/DisabledSessions /va /f” press Enter.
  3. Attempt reinstall.
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