Developer Guide for Intel® SDK for OpenCL™ Applications
System river cannot be uninstalled.
In order to confirm that you have encountered this symptom, run the following command:
msiexec.exe /x {D6E2EDC1-E715-4822-821B-267B51F52862} /lvx* uninstall.log
And then inspect the uninstall.log file. If you find something like the following:
MSI (s) (D4!AC) [11:00:38:496]: Creating MSIHANDLE (28) of type 790531 for thread 3244 DIFXAPP: ERROR 0x2 encountered while opening persistent-info key for component '{AAF65C8D-732B-4FA6-98B7-137AE4BB7596}' MSI (s) (D4!AC) [11:00:38:496]: Closing MSIHANDLE (28) of type 790531 for thread 3244 MSI (s) (D4!AC) [11:00:38:496]: Creating MSIHANDLE (29) of type 790531 for thread 3244 DIFXAPP: UninstallDriverPackages failed with error 0x2 MSI (s) (D4!AC) [11:00:38:497]: Closing MSIHANDLE (29) of type 790531 for thread 3244
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DIFxApp\Components\{AAF65C8D-732B-4FA6-98B7-137AE4BB7596}
DriverStore = C:\Windows\system32\DRVSTORE\igfxdcd_F3CCEDB5981DE64CA22972EB5A7C061E8376F890\igfxdcd.inf