Error AtlasError Documentation and ResolutionWindows / .NET documented errors
Browse documented Windows / .NET errors with exact messages, troubleshooting context, and practical remediation steps.
Installation
Installation errors
0x800F0906.NET Framework 3.5 installation could not download the required filesWindows could not install .NET Framework 3.5 because the required source files could not be downloaded from Windows Update or the configured repair source.
Can't install the .NET Framework 3.5 without a public Internet environment on an OEM Windows installation.NET Framework 3.5 installation failed on an OEM Windows image without public Internet accessA .NET Framework 3.5 installation on an OEM-based Windows image can fail in an isolated environment because the required feature content must match the installed OS and may still need Internet-backed servicing access.
0x800F0922.NET Framework 3.5 installation failed with 0x800F0922Windows failed to enable .NET Framework 3.5 because the system could not complete the feature installation with the currently available sources or update path.
0x800F0907.NET Framework 3.5 installation was blocked by group policy or source configurationWindows could not install .NET Framework 3.5 because group policy or repair-source configuration prevented access to the files needed for installation.
0x800f081f.NET Framework installation error 0x800f081fWindows could not locate the files required to enable or repair a .NET Framework feature, which commonly happens during setup or server provisioning.
0x800F0907.NET Framework installation failed because DISM failed and no operation was performedDISM could not proceed with enabling .NET Framework 3.5 because servicing policy blocked the payload source or the configured alternate source was missing or invalid.
0x800F0907.NET Framework installation failed because network policy settings blocked the required downloadWindows was prevented from downloading the .NET Framework 3.5 payload because policy settings disallowed Internet-based repair content retrieval.
0x800F0906.NET Framework installation failed because the source files could not be downloadedWindows could not download the files required to enable .NET Framework 3.5, which usually points to update-source connectivity problems or blocked repair-content access.
0x800F0906.NET Framework installation failed because Windows could not connect to the Internet to download the required filesWindows could not retrieve the required .NET Framework 3.5 payload over the network, usually because of proxy, firewall, offline, or update-service routing issues.
0x800F0922.NET Framework installation failed with CBS_E_INSTALLERS_FAILED 0x800F0922Windows failed to complete the advanced installer and servicing operations required to enable .NET Framework 3.5, often because the feature source or servicing path is not healthy.
0x800f0831Windows installation or update failed with 0x800f0831 CBS_E_STORE_CORRUPTIONWindows could not complete an update or feature installation because the component store is missing a required manifest or package state, which can also block .NET Framework servicing.