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The first and foremost step that often fixes the issue is to delete the contents of NGC folder. To do this, perform the following steps.
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❷. Navigate to C: > Windows > ServiceProfiles > LocalService> AppData > Local > Microsoft > Ngc. The Appdata folder might be hidden.
❸. Right-click the NGC folder and choose properties.
❹. Click Security>Advanced. Under Owner, click Change.
❺. Type the username under Object names. Click Check Names.
❻. Click OK. Click the checkbox next to “Replace Owner on objects”. Click Apply.
❼. Right-click the NGC folder and select delete.
❽. Create a new folder with the same name in the same folder i.e. Ngc.
❾. Restart your computer and check.