How to fix Windows Update Error code 490 and 9c48

Windows Update Error code 490 occurs when user wants to upgrade the existing Windows OS. Terminal encounters location path missing in root directory and .NET 3.5 Framework associates in large. In meanwhile process system gets slow down and ultimately request crash. User should fix and solve Windows Update Error code 490 and 9c48 with “Advanced System Repair tool” to spurn system crash.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Abrupt shut down and system stuck may occur with this error having one of the impairments or failures in – internet connection, firmware, bad registry of Win OS, system time and date, user profile, proxy server time laps and malware-viruses. Windows Update Error code 9c48 should be removed either with automatic solution or manual solution.

Manual Solution:

For Windows 7 SP 1:

  1. Start > Programs > Accessories >> Right-click on Command Prompt
  2. Choose Run As >> Administrator account
  3. 3. Run box >> type net stop cryptsvc (wait for the service to stop)
  4. Type “CD\” >> Enter
  5. Type “CD windows\system32” >> Enter
  6. Type “ren catroot2 catroot3” >> Enter

If user still getting problem, then:

  1. Press Windows + R >> type “sfc/scannow” >> Enter
  2. Press Windows + R >> type “cleanmgr.exe” >> Enter
  3. Ensure internet connections
  4. Repair associates registry entries of Error 490 or 9c48
  5. Ensure user profile, System time and date
  6. Accomplish Antivirus program
  7. Update PC Device Drivers
  8. Restore to alter recent changes
  9. Uninstall and Reinstall updates
  10. Install all available Windows updates
  11. Perform a clean installation (while following distinct steps in versions)
  12. If error still resist, make a fresh Installation of existing Win OS


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Conclusive Decision :

Although, said manuals are adequate enough to solve the Windows Update Error code 490. User may face difficulties to reach on optimal solution since different versions of MS Win OS needs distinct steps. A third party “Advanced System Repair tool” can resolve the error with – cache pace, defragmentation, free technical support for new updates, repair of HDD bad sectors, scansion of firmware and malware-spyware-adware-virus with omission.


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