Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

prefs1.js file Keeps filling up drive

  • 2 replies
  • 1 has this problem
  • 4 views
  • Last reply by FredMcD

more options

Hello

On number of our computers user-->username-->AppData-->Roaming-->Mozilla-->Firefox-->Profiles--> Random letters and Numbers.default a File prefs1 keeps getting so large it fills up the drives>

Any thoughts on how to stop this

Hello On number of our computers user-->username-->AppData-->Roaming-->Mozilla-->Firefox-->Profiles--> Random letters and Numbers.default a File prefs1 keeps getting so large it fills up the drives> Any thoughts on how to stop this

All Replies (2)

more options

You may have ad/mal-ware. Further information can be found in this article; https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no

Run most or all of the listed free to use malware scanners. Each works differently. If one program misses something, another may pick it up.

more options

About how long before you notice the problem?

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?