MS Outlook - Cannot expand the folder

Issue

After adding a secondary email account in Outlook, its folders cannot be expanded. The following error is displayed:

Cannot expand the folder

Microsoft Outlook
Cannot expand the folder

All accounts in Outlook are Office 365 / Exchange Online. Creating a new user profile and clearing cached credentials didn't work.

Can't install TeamViewer - already installed on this computer...

Issue

TeamViewer v15 Host (.exe version) was installed on a PC that already had a TeamViewer v14 Host (.msi) version installed. The installation completed successfully, but it didn't remove TeamViewer v14 .msi Host from the programs list. Trying to uninstall TeamViewer from there, not only removed v14 entry, but also partially removed and completely broken v15... Trying to remove v15 was now failing with the following error:

Windows cannot find TeamViewer\uninstall.exe

Windows cannot find 'C:\Program Files (x86)\TeamViewer\uninstall.exe'. Make sure you typed the name correctly, and then try again.

Dell Inspiron - no sound. This device cannot start

Issue

Dell Inspiron 5491 laptop suddenly lost all sound capability. Neither speakers nor the microphone work and Windows reports that there are no sound devices detected.

Looking into Device Manager,  I found that the Intel Smart Sound Technology OED device was listed with an error status.

Intel(R) Smart Sound Technology (Intel(R) SST) OED
Device type: System devices
Manufacturer: Intel(R) Corporation
Location: HD Audio Bus Driver
Device Status:
This device cannot start. (Code 10)
The driver was not loaded because it failed its initialization call.

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