Rain City Techworks

Todd

Managed IT engineer and founder of Rain City Techworks. MCSE, MCITP, Fortinet NSE, CompTIA A+ and Network+ certified.

Seattle-Tacoma, WA

fix ·

Fix KB5074109 Install Error (0x800f0991)

Fix Windows 11 January 2026 security update KB5074109 installation errors 0x800f0991, 0x80073712, and 0x800f0989 with DISM repair, component reset, and repair install methods.

Todd 1 min read
Techworks Threat Brief ·

Techworks Threat Brief - January 23, 2026

This week's security landscape was dominated by critical vulnerabilities and significant breach disclosures, underscoring persistent threats across major software platforms. High-severity CVEs demand immediate attention from enterprise security

Todd 3 min read
fix ·

Fix Intune Enrollment Error 8018000a "Device Already Enrolled"

You're trying to enroll a device in Intune or Azure AD and get "Something went wrong. The device is already enrolled. Error code 8018000a." This happens when the device was removed from Intune but leftover enrollment records still exist in the registry.

Todd 1 min read