If the computer claims Google Drive isn't installed but the error persists, you need to manually delete the leftover files causing the block.
This happens because a prior installation of Google Drive was not fully removed. The Windows installer halts the process to prevent software conflicts when it detects leftover system files, registry entries, or cached installer data. Step 1: Force Close Background Processes
HKEY_CURRENT_USER\SOFTWARE\Google\DriveFS HKEY_LOCAL_MACHINE\SOFTWARE\Google\DriveFS Use code with caution. If the computer claims Google Drive isn't installed
Navigate to C:\Program Files\Google\ and delete the folder.
C:\Program Files\Google\Drive C:\Users\%USERNAME%\AppData\Local\Google\Drive C:\Users\%USERNAME%\AppData\Roaming\Google\Drive your computer
Delete the registry key named 6BBAE539-2232-434A-A4E5-9A33560C6283 (if present). your computer. Preventing Future Installation Errors
: In the Registry Editor, go to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager and check for a value named PendingFileRenameOperations . Deleting its contents can clear stuck installation flags. or cached installer data.
Check C:\Program Files\Google\Drive File Stream\Drivers\ for a file named googledrivefs.sys . If it cannot be deleted because it is "in use," restart your computer and attempt to delete it immediately upon rebooting. Phase 2: Registry Cleanup