Review logs for specifics
| Solution | Best for | Time | |----------|----------|------| | DISM with ISO source | .NET Framework 3.5 error | 2 min | | Windows Update troubleshooter | General update failure | 5 min | | Clear SoftwareDistribution | Corrupt cache | 3 min | | Group Policy fix | WSUS-blocked installs | 5 min | | Manual MSU download | Specific KB failing | 10 min | 0x800f0952 free