This is a batch script that you can use to prepare for a SQL Server installation/update/upgrade. See: http://bit.ly/1Lkjvh3

SQLSetupCleanUpScript.bat

Echo cleaning out temp locations and old SQL Server setup logs 

if exist "%temp%" del /Q /F "%temp%"
if exist "%SystemRoot%\temp" del /Q /F "%SystemRoot%\temp"
del /Q /F "%SystemRoot%\sql*.log"
del /Q /F "%SystemRoot%\*.iss"
if exist "“%SystemRoot%\sql.mif" 
del /Q /F "%SystemRoot%\sql.mif" 
if exist "%TEMP%\1" rmdir /S /Q "%TEMP%\1"
if exist "%TEMP%\2" rmdir /S /Q "%TEMP%\2" 
if exist "%ProgramFiles%\Microsoft SQL Server\90\Setup Bootstrap\Log"
del /S /Q /F "%ProgramFiles%\Microsoft SQL Server\90\Setup Bootstrap\Log"
if exist "%ProgramFiles%\Microsoft SQL Server\100\Setup Bootstrap\Log"
del /S /Q /F "%ProgramFiles%\Microsoft SQL Server\100\Setup Bootstrap\Log"
if exist "%ProgramFiles%\Microsoft SQL Server\110\Setup Bootstrap\Log"
del /S /Q /F "%ProgramFiles%\Microsoft SQL Server\110\Setup Bootstrap\Log"
if exist "%ProgramFiles%\Microsoft SQL Server\120\Setup Bootstrap\Log"
del /S /Q /F "%ProgramFiles%\Microsoft SQL Server\120\Setup Bootstrap\Log"

Echo Clear and refresh name caches 
ipconfig /flushdns nbtstat -R 
ipconfig /registerdns nbtstat -RR

Echo Syncing time with domain controller 
net time %logonserver% /SET /Y

Echo Replacing any missing default administrative shares (for 2k and 2k5). Repeat the last line through the entire alphabet for the drive letters: C, D, . . . Z. 

net share ADMIN$ 
net share IPC$ 
if exist net share C$=C:\