Open cmd.exe with/without administrator rights and type the commands below. Send me the output in the comments below. Thanks!
Google Chrome Canary
reg query HKEY_CURRENT_USER\Software\Google\Update\Clients\{4ea16ac7-fd5a-47c3-875b-dbf4a2008c20} | findstr /i pv
Google Chrome
reg query HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Google\Update\Clients\{8A69D345-D564-463c-AFF1-A69D9E530F96} | findstr /i pv
Mozilla Firefox
reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Mozilla\Mozilla Firefox" | findstr /i CurrentVersion
Chrome: pv REG_SZ 47.0.2526.106
Firefox: CurrentVersion REG_SZ 43.0.1 (x86 en-US)