CleanStateForVisualStudioInstall.ps1

# http://stackoverflow.com/a/35089747

# Solution 2: Delete installation cache

gci 'c:/programdata/package cache/' -Include *.msi,*.cab -Recurse | Remove-Item -Force

# Solution 3: Delete temporary file data stored on your computer

Resolve-Path "C:\Users\*\AppData\Local\Microsoft\VSCommon" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\VisualStudio" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\Blend" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\VsGraphics" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\ApplicationInsights" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\vshub" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\Team Foundation" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\Web Platform Installer" | Remove-Item -Recurse -Force
Resolve-Path "C:\Users\*\AppData\Local\Microsoft\MsBuild" | Remove-Item -Recurse -Force

# Solution 4: Enable all four evaluations of Symbolic links

# fsutil behavior set SymlinkEvaluation L2L:1 R2R:1 L2R:1 R2L:1

# Solution 5: Repair the Redistributables

# Solution 6: Check to see if x86 and x64 sizes are the same

$first = (Get-Item C:\Windows\SysWOW64\vcruntime140.dll).Length
$second = (Get-Item C:\Windows\System32\vcruntime140.dll).Length

if($first -eq $second)
{
    Write-Host "Should be different size" 
}