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clean
win7 update error
Windows Disk Cleanup
- use this one first
- right-click disk > properties > Disk Cleanup > Run as Admin
cleanmgr /? sudo cleanmgr /verylowdisk
wise disk cleaner / registry cleaner / program uninstaller
- https://portableapps.com/apps/utilities/wise-disk-cleaner-portable - clean and defrag
bleachbit
- choose only browser cache and vaccum
choco install bleachbit.install
CCleaner
- Custom Clean > except cookies
- Tools > Uninstall > Save to text file > Uninstall all craps
- Tools > Startup > Save to text file > Stop all craps
choco install ccleaner.portable
O&O Shutup
- Action > Apply only recommended settings
choco install shutup10 oosu10
data recovery
reset file permission
takeown /f <foldername> /r /d y # take ownership to current user takeown /f <foldername> /a /r /d y # take ownership to administrator
icacls C:\drv /grant "%USERDOMAIN%\%USERNAME%":F /t icacls C:\drv <filename> /grant administrators:F