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All downloads fail, including Firefox Extensions

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All downloads I make inside of Firefox are automatically failing, with "Failed" message. This only happens in Firefox, Microsoft Edge downloads are perfectly fine. I've tried starting in troubleshoot mode, disabling anti-virus, clearing cache and downloads, rebooting PC.

Some recent changes in PC include: changing TEMP and TMP system variables to another drive (I've changed them back to C drive, had no effect) and making C drive a dynamic disk. Yesterday downloads were working fine. Thanks in advance.

All downloads I make inside of Firefox are automatically failing, with "Failed" message. This only happens in Firefox, Microsoft Edge downloads are perfectly fine. I've tried starting in troubleshoot mode, disabling anti-virus, clearing cache and downloads, rebooting PC. Some recent changes in PC include: changing TEMP and TMP system variables to another drive (I've changed them back to C drive, had no effect) and making C drive a dynamic disk. Yesterday downloads were working fine. Thanks in advance.

Isisombulu esikhethiweyo

Managed to fix the problem, I changed TEMP and TMP to wrong directories (C:\Users%USERPROFILE%\AppData\Local\Temp), resetting them to proper directory: %USERPROFILE%\AppData\Local\Temp and rebooting PC fixed my problem. Question closed.

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Isisombululo esiKhethiweyo

Managed to fix the problem, I changed TEMP and TMP to wrong directories (C:\Users%USERPROFILE%\AppData\Local\Temp), resetting them to proper directory: %USERPROFILE%\AppData\Local\Temp and rebooting PC fixed my problem. Question closed.