Error 0×80244015 occurs because of missing system files, dll files, exe files and corrupted registry entries that are responsible for installing windows update. Other factor behind this error may be incorrect date/time/year settings or incorrect time zone settings. Destructive program like virus, malware or Trojan may also damage windows components and raise 0×80244015 errors.
How to fix 0×80244015 WU_E_PT_REFRESH_CACHE_REQUIRED errors from windows xp/vista/7/8?
The error 0×80244015 can be fixed using the following method easily. However, there may be several reasons behind this error so it is necessary to find the bottleneck and fix them.
1. You must clean your PC against destructive program. Run full system scan using updated antivirus and remove malicious programs.
2. Incompatible or outdated drivers are the major reason behind this error. If you have recently installed driver then remove. You also update the entire outdated windows driver.
3. Don’t avoid registry corruption. Registry file is the very important system database that keeps track of all the running or installed application. If this file gets corrupted or damaged then windows is unable to find related programs or files and resulting raise 0×80244015 WU_E_PT_REFRESH_CACHE_REQUIRED error.
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have you ever done a clean install before? did you update all your drivers?
did you install an antivirus before going online?