diff options
| -rw-r--r-- | qga/vss-win32/install.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index 6ee2f44a10..7b25d9098b 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -287,9 +287,13 @@ STDAPI COMRegister(void) chk(QGAProviderFind(QGAProviderCount, (void *)&count)); if (count) { - errmsg(E_ABORT, "QGA VSS Provider is already installed"); - qga_debug_end; - return E_ABORT; + qga_debug("QGA VSS Provider is already installed. Attempting to unregister first."); + hr = COMUnregister(); + if (FAILED(hr)) { + errmsg(hr, "Failed to unregister existing QGA VSS Provider. Aborting installation."); + qga_debug_end; + return E_ABORT; + } } chk(CoCreateInstance(CLSID_COMAdminCatalog, NULL, CLSCTX_INPROC_SERVER, |