I'll help make sure you can connect your bank, @jeremy-aloevets-.
The following are the possible reasons why you're unable to connect your Investec Bank in QuickBooks:
First, let's try using other keywords or links to locate your bank. Here's how:
If none of these work, you can contact your bank to request they establish a connection with Intuit. For the detailed steps, please see Step 3 in this article: Find your bank or credit card account when you connect to online banking.
When you're ready, you can start categorising and matching your entries to ensure they're accounted for correctly and prevent any duplicates.
In case you're unable to download your transactions in QuickBooks or run into an error, you can use this handy resource to resolve them: Bank fixes in QuickBooks Online.
I've got your back if you need more help with managing your online banking in QuickBooks. Just click the Reply button so I can assist you further.