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RAM Disk refuses to install: how to uninstall completely

Sometimes the RAM Disk refuses to install and complains about an older version already installed on your computer. This means that for some reason the automatic uninstaller was not able to remove everything. Here is how you can completely uninstall it:

1. Delete the following registry keys:

   HKLM\System\CurrentControlSet\Services\vvramd
   HKLM\System\CurrentControlSet\Services\SPVDPort
   HKLM\System\CurrentControlSet\Services\SPVVEngine
   

   On Windows 10, you may need to reboot at this point. Otherwise the .sys files at the next step may be locked by the system and you may not be able to delete them.
2. Delete the following files in the %SystemRoot%\System32\Drivers directory:

   spvdbus.sys
   spvve.sys
   

3. Delete the entire installation directory in %PROGRAMFILES%\SoftPerfect RAM Disk.
4. Reboot.

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