It looks like you might have a problem with a third-party package or add-in. Here are some examples:
Starting Visual Studio as an administrator.
devenv /Resetsettings (. ) ,
devenv /ResetSkipPkgs (.
)
.
devenv /Safemode (. ). ,
, , .
Devenv.exe /log <log path>". ActivityLog.xml, .
, Visual Studio .