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wiki:uninstalling_r_manually [2011/03/24 23:35]
neuwirth
wiki:uninstalling_r_manually [2012/05/27 19:58] (current)
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 Sometimes there are problems uninstalling older versions of R. In these cases, R may be uninstalled manually. ​ Sometimes there are problems uninstalling older versions of R. In these cases, R may be uninstalled manually. ​
 To do this one has to remove the directory containing the R binaries and additionally removing some registry entries. ​ To do this one has to remove the directory containing the R binaries and additionally removing some registry entries. ​
-You need administrator privileges to be able to do this! Be careful, manipulating the registry can leave you with a nonworking system!+You need administrator privileges to be able to do this! Be very careful, manipulating the registry can leave you with a nonworking system!
  
-To manually remove R 2.12.2 completely ​one needs to do the following ​(as administrator+As an example, here is what needs to be done  
 +to manually remove R 2.12.2 completely(Administrator privileges are needed to perform these operations
  
-  - Delete the home directory of the R version you want to remove (typically ​"C:\Program Files\R\R-2.12.2")  +  - Delete the home directory of the R version you want to remove (typically ​''​C:\Program Files\R\R-2.12.2''​)  
-  - Remove the each one of following registry entries (if they exist)+  - Remove the each one of following registry entries (depending on your installation not all of them might exist)
 <​code>​ <​code>​
 [HKEY_LOCAL_MACHINE\SOFTWARE\R-core\R] [HKEY_LOCAL_MACHINE\SOFTWARE\R-core\R]

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