[Solved] Windows 10 Update Error code C1900204 couldn't be installed

Problem: Windows 10 Update show error Windows 10 couldn’t be installed with error code 0xc1900204 “Windows Update ran into a problem” when download the new update released from Microsoft but failed to complete update installation.

Windows 10 couldn’t be installed
Error(s) found: Code C1900204 Windows Update ran into a problem.

Windows 10 Update Error code C1900204 couldn't be installed

Content Summary

Solution 1: Registry Tweak
Solution 2: Windows Update Troubleshooter
Solution 3: Make Sure Enough Disk Space
Solution 4: Restart Windows Update
Solution 5: Reset Windows Update Components

Solution 1: Registry Tweak

Step 1: Open Registry Editor (regedit) with Administrator right.

Step 2: Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion

Step 3: Look for ProgramFilesDir REG_SZ, right-click and choose Modify.

Step 4: Under the Value data entry, delete the current path and paste the correct path to the Program Files folder on your computer.

For 32bit Windows, correct path would be X:\Program Files (x86)
For 64bit Windows, correct path would be X:\Program Files

Step 5: Click OK and restart computer.

Solution 2: Windows Update Troubleshooter

For Windows 10:

Step 1: Open Settings app > Update & Security section > Troubleshoot tab > Windows Update

Step 2: After Windows Update troubleshooter finishes, navigate to Troubleshoot section again and open Internet Connections troubleshooter.

Step 3: Restart computer.

For Older Versions of Windows:

Step 1: Open Control Panel > Troubleshooting > Choose Fix problems with Windows Update option under System and Security section.

Step 2: Choose Next from the initial window and wait for the troubleshooter to finish.

Solution 3: Make Sure Enough Disk Space

Solution 4: Restart Windows Update

Step 1: Navigate to C:\Windows\SoftwareDistribution\Download.

Step 2: Press ctrl + a and delete everything in the folder.

Step 3: Open command prompt with administrator right.

Step 4: Enter following command: wuauclt.exe /updatenow.

Step 5: Go to Control Panel > Windows Update > Check for updates.

Solution 5: Reset Windows Update Components

Step 1: Open cmd.exe (command prompt) with Administrator right.

Step 2: Execute below command:
net stop bits net stop wuauserv net stop appidsvc net stop cryptsvc Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat” Ren %systemroot%\SoftwareDistribution SoftwareDistribution.bak Ren %systemroot%\system32\catroot2 catroot2.bak exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) cd /d %windir%\system32 regsvr32.exe atl.dll regsvr32.exe urlmon.dll regsvr32.exe mshtml.dll regsvr32.exe shdocvw.dll regsvr32.exe browseui.dll regsvr32.exe jscript.dll regsvr32.exe vbscript.dll regsvr32.exe scrrun.dll regsvr32.exe msxml.dll regsvr32.exe msxml3.dll regsvr32.exe msxml6.dll regsvr32.exe actxprxy.dll regsvr32.exe softpub.dll regsvr32.exe wintrust.dll regsvr32.exe dssenh.dll regsvr32.exe rsaenh.dll regsvr32.exe gpkcsp.dll regsvr32.exe sccbase.dll regsvr32.exe slbcsp.dll regsvr32.exe cryptdlg.dll regsvr32.exe oleaut32.dll regsvr32.exe ole32.dll regsvr32.exe shell32.dll regsvr32.exe initpki.dll regsvr32.exe wuapi.dll regsvr32.exe wuaueng.dll regsvr32.exe wuaueng1.dll regsvr32.exe wucltui.dll regsvr32.exe wups.dll regsvr32.exe wups2.dll regsvr32.exe wuweb.dll regsvr32.exe qmgr.dll regsvr32.exe qmgrprxy.dll regsvr32.exe wucltux.dll regsvr32.exe muweb.dll regsvr32.exe wuwebv.dll netsh winsock reset netsh winhttp reset proxy net start bits net start wuauserv net start appidsvc net start cryptsvc