problems launching the task

[tco-ne]

this is what i get after driver update

$ gmonitor

ERROR: /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0: undefined symbol:
       FT_Get_Var_Blend_Coordinates
       libnvidia-gtk3.so: cannot open shared object file: No such file or directory
       /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0: undefined symbol:
       FT_Get_Var_Blend_Coordinates
       libnvidia-gtk2.so: cannot open shared object file: No such file or directory


ERROR: A problem occured when loading the GUI library. Please check your installation
       and library path. You may need to specify this library when calling
       nvidia-settings. Please run `nvidia-settings --help` for usage information.

No gpus to monitor, terminating.

my current driver is:

$ nvidia-smi
Tue Aug 11 12:14:50 2020       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 450.36.06    Driver Version: 450.36.06    CUDA Version: 11.0     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce GTX 107...  Off  | 00000000:01:00.0  On |                  N/A |
| N/A   84C    P2    73W /  N/A |   4140MiB /  8119MiB |     98%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      1598      G   /usr/lib/xorg/Xorg                 45MiB |
|    0   N/A  N/A      2343      G   /usr/bin/gnome-shell               48MiB |
|    0   N/A  N/A      3335      G   /usr/lib/xorg/Xorg                511MiB |
|    0   N/A  N/A      3662      G   budgie-wm                         109MiB |
|    0   N/A  N/A      4230      G   ...AAAAAAAAA= --shared-files      215MiB |
|    0   N/A  N/A     26905      G   .../.steam/ubuntu12_32/steam       20MiB |
|    0   N/A  N/A     26921      G   ./steamwebhelper                    1MiB |
|    0   N/A  N/A     26937      G   ...token=5182952199529577477       90MiB |
|    0   N/A  N/A     27120    C+G   ...ps/common/Blender/blender     3088MiB |
+-----------------------------------------------------------------------------+