Google Articles

Google Drive insists ‘A newer version is already installed’ (Solved) Drive wouldn't reinstall because the uninstall had failed. What finally worked was copying the program files from another computer and re-running the uninstaller.
Using Bookmarklets on Android
Workaround for Gmail being blocked by “Temporary Error” in Firefox on Fedora In this case it was a Fedora-specific issue, but it could be worked around by holding down shift and hitting reload.