It depends on the exact error messages you receive, but in some cases it helps to set an increased browser emulation within the registry. You can find more information on that e.g. at Daniel Pineault's webpage. When you are new to WordPress, here is a action-by-step program for getting going. https://donovanqepbo.blogaritma.com/34838245/the-basic-principles-of-wordpress-maintenance-plans